2 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 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"
53 #include "dp-packet.h"
55 #include "pcap-file.h"
56 #include "poll-loop.h"
58 #include "stream-ssl.h"
59 #include "socket-util.h"
63 #include "openvswitch/vconn.h"
64 #include "openvswitch/vlog.h"
65 #include "meta-flow.h"
68 VLOG_DEFINE_THIS_MODULE(ofctl);
70 /* --strict: Use strict matching for flow mod commands? Additionally governs
71 * use of nx_pull_match() instead of nx_pull_match_loose() in parse-nx-match.
75 /* --readd: If true, on replace-flows, re-add even flows that have not changed
76 * (to reset flow counters). */
79 /* -F, --flow-format: Allowed protocols. By default, any protocol is
81 static enum ofputil_protocol allowed_protocols = OFPUTIL_P_ANY;
83 /* -P, --packet-in-format: Packet IN format to use in monitor and snoop
84 * commands. Either one of NXPIF_* to force a particular packet_in format, or
85 * -1 to let ovs-ofctl choose the default. */
86 static int preferred_packet_in_format = -1;
88 /* -m, --more: Additional verbosity for ofp-print functions. */
91 /* --timestamp: Print a timestamp before each received packet on "monitor" and
93 static bool timestamp;
95 /* --unixctl-path: Path to use for unixctl server, for "monitor" and "snoop"
97 static char *unixctl_path;
99 /* --sort, --rsort: Sort order. */
100 enum sort_order { SORT_ASC, SORT_DESC };
101 struct sort_criterion {
102 const struct mf_field *field; /* NULL means to sort by priority. */
103 enum sort_order order;
105 static struct sort_criterion *criteria;
106 static size_t n_criteria, allocated_criteria;
108 static const struct ovs_cmdl_command *get_all_commands(void);
110 OVS_NO_RETURN static void usage(void);
111 static void parse_options(int argc, char *argv[]);
113 static bool recv_flow_stats_reply(struct vconn *, ovs_be32 send_xid,
114 struct ofpbuf **replyp,
115 struct ofputil_flow_stats *,
116 struct ofpbuf *ofpacts);
118 main(int argc, char *argv[])
120 set_program_name(argv[0]);
121 service_start(&argc, &argv);
122 parse_options(argc, argv);
123 fatal_ignore_sigpipe();
124 ovs_cmdl_run_command(argc - optind, argv + optind, get_all_commands());
129 add_sort_criterion(enum sort_order order, const char *field)
131 struct sort_criterion *sc;
133 if (n_criteria >= allocated_criteria) {
134 criteria = x2nrealloc(criteria, &allocated_criteria, sizeof *criteria);
137 sc = &criteria[n_criteria++];
138 if (!field || !strcasecmp(field, "priority")) {
141 sc->field = mf_from_name(field);
143 ovs_fatal(0, "%s: unknown field name", field);
150 parse_options(int argc, char *argv[])
153 OPT_STRICT = UCHAR_MAX + 1,
160 OFP_VERSION_OPTION_ENUMS,
163 static const struct option long_options[] = {
164 {"timeout", required_argument, NULL, 't'},
165 {"strict", no_argument, NULL, OPT_STRICT},
166 {"readd", no_argument, NULL, OPT_READD},
167 {"flow-format", required_argument, NULL, 'F'},
168 {"packet-in-format", required_argument, NULL, 'P'},
169 {"more", no_argument, NULL, 'm'},
170 {"timestamp", no_argument, NULL, OPT_TIMESTAMP},
171 {"sort", optional_argument, NULL, OPT_SORT},
172 {"rsort", optional_argument, NULL, OPT_RSORT},
173 {"unixctl", required_argument, NULL, OPT_UNIXCTL},
174 {"help", no_argument, NULL, 'h'},
175 {"option", no_argument, NULL, 'o'},
177 OFP_VERSION_LONG_OPTIONS,
179 STREAM_SSL_LONG_OPTIONS,
182 char *short_options = ovs_cmdl_long_options_to_short_options(long_options);
184 enum ofputil_protocol version_protocols;
186 /* For now, ovs-ofctl only enables OpenFlow 1.0 by default. This is
187 * because ovs-ofctl implements command such as "add-flow" as raw OpenFlow
188 * requests, but those requests have subtly different semantics in
189 * different OpenFlow versions. For example:
191 * - In OpenFlow 1.0, a "mod-flow" operation that does not find any
192 * existing flow to modify adds a new flow.
194 * - In OpenFlow 1.1, a "mod-flow" operation that does not find any
195 * existing flow to modify adds a new flow, but only if the mod-flow
196 * did not match on the flow cookie.
198 * - In OpenFlow 1.2 and a later, a "mod-flow" operation never adds a
201 set_allowed_ofp_versions("OpenFlow10");
204 unsigned long int timeout;
207 c = getopt_long(argc, argv, short_options, long_options, NULL);
214 timeout = strtoul(optarg, NULL, 10);
216 ovs_fatal(0, "value %s on -t or --timeout is not at least 1",
224 allowed_protocols = ofputil_protocols_from_string(optarg);
225 if (!allowed_protocols) {
226 ovs_fatal(0, "%s: invalid flow format(s)", optarg);
231 preferred_packet_in_format =
232 ofputil_packet_in_format_from_string(optarg);
233 if (preferred_packet_in_format < 0) {
234 ovs_fatal(0, "unknown packet-in format `%s'", optarg);
246 ovs_cmdl_print_options(long_options);
262 add_sort_criterion(SORT_ASC, optarg);
266 add_sort_criterion(SORT_DESC, optarg);
270 unixctl_path = optarg;
273 DAEMON_OPTION_HANDLERS
274 OFP_VERSION_OPTION_HANDLERS
276 STREAM_SSL_OPTION_HANDLERS
287 /* Always do a final sort pass based on priority. */
288 add_sort_criterion(SORT_DESC, "priority");
293 versions = get_allowed_ofp_versions();
294 version_protocols = ofputil_protocols_from_version_bitmap(versions);
295 if (!(allowed_protocols & version_protocols)) {
296 char *protocols = ofputil_protocols_to_string(allowed_protocols);
297 struct ds version_s = DS_EMPTY_INITIALIZER;
299 ofputil_format_version_bitmap_names(&version_s, versions);
300 ovs_fatal(0, "None of the enabled OpenFlow versions (%s) supports "
301 "any of the enabled flow formats (%s). (Use -O to enable "
302 "additional OpenFlow versions or -F to enable additional "
303 "flow formats.)", ds_cstr(&version_s), protocols);
305 allowed_protocols &= version_protocols;
306 mask_allowed_ofp_versions(ofputil_protocols_to_version_bitmap(
313 printf("%s: OpenFlow switch management utility\n"
314 "usage: %s [OPTIONS] COMMAND [ARG...]\n"
315 "\nFor OpenFlow switches:\n"
316 " show SWITCH show OpenFlow information\n"
317 " dump-desc SWITCH print switch description\n"
318 " dump-tables SWITCH print table stats\n"
319 " dump-table-features SWITCH print table features\n"
320 " mod-port SWITCH IFACE ACT modify port behavior\n"
321 " mod-table SWITCH MOD modify flow table behavior\n"
322 " get-frags SWITCH print fragment handling behavior\n"
323 " set-frags SWITCH FRAG_MODE set fragment handling behavior\n"
324 " dump-ports SWITCH [PORT] print port statistics\n"
325 " dump-ports-desc SWITCH [PORT] print port descriptions\n"
326 " dump-flows SWITCH print all flow entries\n"
327 " dump-flows SWITCH FLOW print matching FLOWs\n"
328 " dump-aggregate SWITCH print aggregate flow statistics\n"
329 " dump-aggregate SWITCH FLOW print aggregate stats for FLOWs\n"
330 " queue-stats SWITCH [PORT [QUEUE]] dump queue stats\n"
331 " add-flow SWITCH FLOW add flow described by FLOW\n"
332 " add-flows SWITCH FILE add flows from FILE\n"
333 " mod-flows SWITCH FLOW modify actions of matching FLOWs\n"
334 " del-flows SWITCH [FLOW] delete matching FLOWs\n"
335 " replace-flows SWITCH FILE replace flows with those in FILE\n"
336 " diff-flows SOURCE1 SOURCE2 compare flows from two sources\n"
337 " packet-out SWITCH IN_PORT ACTIONS PACKET...\n"
338 " execute ACTIONS on PACKET\n"
339 " monitor SWITCH [MISSLEN] [invalid_ttl] [watch:[...]]\n"
340 " print packets received from SWITCH\n"
341 " snoop SWITCH snoop on SWITCH and its controller\n"
342 " add-group SWITCH GROUP add group described by GROUP\n"
343 " add-groups SWITCH FILE add group from FILE\n"
344 " mod-group SWITCH GROUP modify specific group\n"
345 " del-groups SWITCH [GROUP] delete matching GROUPs\n"
346 " insert-buckets SWITCH [GROUP] add buckets to GROUP\n"
347 " remove-buckets SWITCH [GROUP] remove buckets from GROUP\n"
348 " dump-group-features SWITCH print group features\n"
349 " dump-groups SWITCH [GROUP] print group description\n"
350 " dump-group-stats SWITCH [GROUP] print group statistics\n"
351 " queue-get-config SWITCH PORT print queue information for port\n"
352 " add-meter SWITCH METER add meter described by METER\n"
353 " mod-meter SWITCH METER modify specific METER\n"
354 " del-meter SWITCH METER delete METER\n"
355 " del-meters SWITCH delete all meters\n"
356 " dump-meter SWITCH METER print METER configuration\n"
357 " dump-meters SWITCH print all meter configuration\n"
358 " meter-stats SWITCH [METER] print meter statistics\n"
359 " meter-features SWITCH print meter features\n"
360 "\nFor OpenFlow switches and controllers:\n"
361 " probe TARGET probe whether TARGET is up\n"
362 " ping TARGET [N] latency of N-byte echos\n"
363 " benchmark TARGET N COUNT bandwidth of COUNT N-byte echos\n"
364 "SWITCH or TARGET is an active OpenFlow connection method.\n"
365 "\nOther commands:\n"
366 " ofp-parse FILE print messages read from FILE\n"
367 " ofp-parse-pcap PCAP print OpenFlow read from PCAP\n",
368 program_name, program_name);
369 vconn_usage(true, false, false);
373 printf("\nOther options:\n"
374 " --strict use strict match for flow commands\n"
375 " --readd replace flows that haven't changed\n"
376 " -F, --flow-format=FORMAT force particular flow format\n"
377 " -P, --packet-in-format=FRMT force particular packet in format\n"
378 " -m, --more be more verbose printing OpenFlow\n"
379 " --timestamp (monitor, snoop) print timestamps\n"
380 " -t, --timeout=SECS give up after SECS seconds\n"
381 " --sort[=field] sort in ascending order\n"
382 " --rsort[=field] sort in descending order\n"
383 " --unixctl=SOCKET set control socket name\n"
384 " -h, --help display this help message\n"
385 " -V, --version display version information\n");
390 ofctl_exit(struct unixctl_conn *conn, int argc OVS_UNUSED,
391 const char *argv[] OVS_UNUSED, void *exiting_)
393 bool *exiting = exiting_;
395 unixctl_command_reply(conn, NULL);
398 static void run(int retval, const char *message, ...)
399 OVS_PRINTF_FORMAT(2, 3);
402 run(int retval, const char *message, ...)
407 va_start(args, message);
408 ovs_fatal_valist(retval, message, args);
412 /* Generic commands. */
415 open_vconn_socket(const char *name, struct vconn **vconnp)
417 char *vconn_name = xasprintf("unix:%s", name);
420 error = vconn_open(vconn_name, get_allowed_ofp_versions(), DSCP_DEFAULT,
422 if (error && error != ENOENT) {
423 ovs_fatal(0, "%s: failed to open socket (%s)", name,
424 ovs_strerror(error));
431 enum open_target { MGMT, SNOOP };
433 static enum ofputil_protocol
434 open_vconn__(const char *name, enum open_target target,
435 struct vconn **vconnp)
437 const char *suffix = target == MGMT ? "mgmt" : "snoop";
438 char *datapath_name, *datapath_type, *socket_name;
439 enum ofputil_protocol protocol;
444 bridge_path = xasprintf("%s/%s.%s", ovs_rundir(), name, suffix);
446 ofproto_parse_name(name, &datapath_name, &datapath_type);
447 socket_name = xasprintf("%s/%s.%s", ovs_rundir(), datapath_name, suffix);
451 if (strchr(name, ':')) {
452 run(vconn_open(name, get_allowed_ofp_versions(), DSCP_DEFAULT, vconnp),
453 "connecting to %s", name);
454 } else if (!open_vconn_socket(name, vconnp)) {
456 } else if (!open_vconn_socket(bridge_path, vconnp)) {
458 } else if (!open_vconn_socket(socket_name, vconnp)) {
461 ovs_fatal(0, "%s is not a bridge or a socket", name);
464 if (target == SNOOP) {
465 vconn_set_recv_any_version(*vconnp);
471 VLOG_DBG("connecting to %s", vconn_get_name(*vconnp));
472 error = vconn_connect_block(*vconnp);
474 ovs_fatal(0, "%s: failed to connect to socket (%s)", name,
475 ovs_strerror(error));
478 ofp_version = vconn_get_version(*vconnp);
479 protocol = ofputil_protocol_from_ofp_version(ofp_version);
481 ovs_fatal(0, "%s: unsupported OpenFlow version 0x%02x",
487 static enum ofputil_protocol
488 open_vconn(const char *name, struct vconn **vconnp)
490 return open_vconn__(name, MGMT, vconnp);
494 send_openflow_buffer(struct vconn *vconn, struct ofpbuf *buffer)
496 ofpmsg_update_length(buffer);
497 run(vconn_send_block(vconn, buffer), "failed to send packet to switch");
501 dump_transaction(struct vconn *vconn, struct ofpbuf *request)
503 struct ofpbuf *reply;
505 ofpmsg_update_length(request);
506 run(vconn_transact(vconn, request, &reply), "talking to %s",
507 vconn_get_name(vconn));
508 ofp_print(stdout, reply->data, reply->size, verbosity + 1);
509 ofpbuf_delete(reply);
513 dump_trivial_transaction(const char *vconn_name, enum ofpraw raw)
515 struct ofpbuf *request;
518 open_vconn(vconn_name, &vconn);
519 request = ofpraw_alloc(raw, vconn_get_version(vconn), 0);
520 dump_transaction(vconn, request);
525 dump_stats_transaction(struct vconn *vconn, struct ofpbuf *request)
527 const struct ofp_header *request_oh = request->data;
528 ovs_be32 send_xid = request_oh->xid;
529 enum ofpraw request_raw;
530 enum ofpraw reply_raw;
533 ofpraw_decode_partial(&request_raw, request->data, request->size);
534 reply_raw = ofpraw_stats_request_to_reply(request_raw,
535 request_oh->version);
537 send_openflow_buffer(vconn, request);
540 struct ofpbuf *reply;
542 run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed");
543 recv_xid = ((struct ofp_header *) reply->data)->xid;
544 if (send_xid == recv_xid) {
547 ofp_print(stdout, reply->data, reply->size, verbosity + 1);
549 ofpraw_decode(&raw, reply->data);
550 if (ofptype_from_ofpraw(raw) == OFPTYPE_ERROR) {
552 } else if (raw == reply_raw) {
553 done = !ofpmp_more(reply->data);
555 ovs_fatal(0, "received bad reply: %s",
556 ofp_to_string(reply->data, reply->size,
560 VLOG_DBG("received reply with xid %08"PRIx32" "
561 "!= expected %08"PRIx32, recv_xid, send_xid);
563 ofpbuf_delete(reply);
568 dump_trivial_stats_transaction(const char *vconn_name, enum ofpraw raw)
570 struct ofpbuf *request;
573 open_vconn(vconn_name, &vconn);
574 request = ofpraw_alloc(raw, vconn_get_version(vconn), 0);
575 dump_stats_transaction(vconn, request);
579 /* Sends all of the 'requests', which should be requests that only have replies
580 * if an error occurs, and waits for them to succeed or fail. If an error does
581 * occur, prints it and exits with an error.
583 * Destroys all of the 'requests'. */
585 transact_multiple_noreply(struct vconn *vconn, struct ovs_list *requests)
587 struct ofpbuf *request, *reply;
589 LIST_FOR_EACH (request, list_node, requests) {
590 ofpmsg_update_length(request);
593 run(vconn_transact_multiple_noreply(vconn, requests, &reply),
594 "talking to %s", vconn_get_name(vconn));
596 ofp_print(stderr, reply->data, reply->size, verbosity + 2);
599 ofpbuf_delete(reply);
602 /* Sends 'request', which should be a request that only has a reply if an error
603 * occurs, and waits for it to succeed or fail. If an error does occur, prints
604 * it and exits with an error.
606 * Destroys 'request'. */
608 transact_noreply(struct vconn *vconn, struct ofpbuf *request)
610 struct ovs_list requests;
612 list_init(&requests);
613 list_push_back(&requests, &request->list_node);
614 transact_multiple_noreply(vconn, &requests);
618 fetch_switch_config(struct vconn *vconn, struct ofp_switch_config *config_)
620 struct ofp_switch_config *config;
621 struct ofpbuf *request;
622 struct ofpbuf *reply;
625 request = ofpraw_alloc(OFPRAW_OFPT_GET_CONFIG_REQUEST,
626 vconn_get_version(vconn), 0);
627 run(vconn_transact(vconn, request, &reply),
628 "talking to %s", vconn_get_name(vconn));
630 if (ofptype_pull(&type, reply) || type != OFPTYPE_GET_CONFIG_REPLY) {
631 ovs_fatal(0, "%s: bad reply to config request", vconn_get_name(vconn));
634 config = ofpbuf_pull(reply, sizeof *config);
637 ofpbuf_delete(reply);
641 set_switch_config(struct vconn *vconn, const struct ofp_switch_config *config)
643 struct ofpbuf *request;
645 request = ofpraw_alloc(OFPRAW_OFPT_SET_CONFIG, vconn_get_version(vconn), 0);
646 ofpbuf_put(request, config, sizeof *config);
648 transact_noreply(vconn, request);
652 ofctl_show(int argc OVS_UNUSED, char *argv[])
654 const char *vconn_name = argv[1];
655 enum ofp_version version;
657 struct ofpbuf *request;
658 struct ofpbuf *reply;
661 open_vconn(vconn_name, &vconn);
662 version = vconn_get_version(vconn);
663 request = ofpraw_alloc(OFPRAW_OFPT_FEATURES_REQUEST, version, 0);
664 run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name);
666 has_ports = ofputil_switch_features_has_ports(reply);
667 ofp_print(stdout, reply->data, reply->size, verbosity + 1);
668 ofpbuf_delete(reply);
671 request = ofputil_encode_port_desc_stats_request(version, OFPP_ANY);
672 dump_stats_transaction(vconn, request);
674 dump_trivial_transaction(vconn_name, OFPRAW_OFPT_GET_CONFIG_REQUEST);
679 ofctl_dump_desc(int argc OVS_UNUSED, char *argv[])
681 dump_trivial_stats_transaction(argv[1], OFPRAW_OFPST_DESC_REQUEST);
685 ofctl_dump_tables(int argc OVS_UNUSED, char *argv[])
687 dump_trivial_stats_transaction(argv[1], OFPRAW_OFPST_TABLE_REQUEST);
691 ofctl_dump_table_features(int argc OVS_UNUSED, char *argv[])
693 struct ofpbuf *request;
696 open_vconn(argv[1], &vconn);
697 request = ofputil_encode_table_features_request(vconn_get_version(vconn));
699 dump_stats_transaction(vconn, request);
705 static bool fetch_port_by_stats(struct vconn *,
706 const char *port_name, ofp_port_t port_no,
707 struct ofputil_phy_port *);
709 /* Uses OFPT_FEATURES_REQUEST to attempt to fetch information about the port
710 * named 'port_name' or numbered 'port_no' into '*pp'. Returns true if
711 * successful, false on failure.
713 * This is only appropriate for OpenFlow 1.0, 1.1, and 1.2, which include a
714 * list of ports in OFPT_FEATURES_REPLY. */
716 fetch_port_by_features(struct vconn *vconn,
717 const char *port_name, ofp_port_t port_no,
718 struct ofputil_phy_port *pp)
720 struct ofputil_switch_features features;
721 const struct ofp_header *oh;
722 struct ofpbuf *request, *reply;
728 /* Fetch the switch's ofp_switch_features. */
729 request = ofpraw_alloc(OFPRAW_OFPT_FEATURES_REQUEST,
730 vconn_get_version(vconn), 0);
731 run(vconn_transact(vconn, request, &reply),
732 "talking to %s", vconn_get_name(vconn));
735 if (ofptype_decode(&type, reply->data)
736 || type != OFPTYPE_FEATURES_REPLY) {
737 ovs_fatal(0, "%s: received bad features reply", vconn_get_name(vconn));
739 if (!ofputil_switch_features_has_ports(reply)) {
740 /* The switch features reply does not contain a complete list of ports.
741 * Probably, there are more ports than will fit into a single 64 kB
742 * OpenFlow message. Use OFPST_PORT_DESC to get a complete list of
744 ofpbuf_delete(reply);
745 return fetch_port_by_stats(vconn, port_name, port_no, pp);
748 error = ofputil_decode_switch_features(oh, &features, &b);
750 ovs_fatal(0, "%s: failed to decode features reply (%s)",
751 vconn_get_name(vconn), ofperr_to_string(error));
754 while (!ofputil_pull_phy_port(oh->version, &b, pp)) {
755 if (port_no != OFPP_NONE
756 ? port_no == pp->port_no
757 : !strcmp(pp->name, port_name)) {
762 ofpbuf_delete(reply);
766 /* Uses a OFPST_PORT_DESC request to attempt to fetch information about the
767 * port named 'port_name' or numbered 'port_no' into '*pp'. Returns true if
768 * successful, false on failure.
770 * This is most appropriate for OpenFlow 1.3 and later. Open vSwitch 1.7 and
771 * later also implements OFPST_PORT_DESC, as an extension, for OpenFlow 1.0,
772 * 1.1, and 1.2, so this can be used as a fallback in those versions when there
773 * are too many ports than fit in an OFPT_FEATURES_REPLY. */
775 fetch_port_by_stats(struct vconn *vconn,
776 const char *port_name, ofp_port_t port_no,
777 struct ofputil_phy_port *pp)
779 struct ofpbuf *request;
784 request = ofputil_encode_port_desc_stats_request(vconn_get_version(vconn),
786 send_xid = ((struct ofp_header *) request->data)->xid;
788 send_openflow_buffer(vconn, request);
791 struct ofpbuf *reply;
793 run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed");
794 recv_xid = ((struct ofp_header *) reply->data)->xid;
795 if (send_xid == recv_xid) {
796 struct ofp_header *oh = reply->data;
801 ofpbuf_use_const(&b, oh, ntohs(oh->length));
802 if (ofptype_pull(&type, &b)
803 || type != OFPTYPE_PORT_DESC_STATS_REPLY) {
804 ovs_fatal(0, "received bad reply: %s",
805 ofp_to_string(reply->data, reply->size,
809 flags = ofpmp_flags(oh);
810 done = !(flags & OFPSF_REPLY_MORE);
813 /* We've already found the port, but we need to drain
814 * the queue of any other replies for this request. */
818 while (!ofputil_pull_phy_port(oh->version, &b, pp)) {
819 if (port_no != OFPP_NONE ? port_no == pp->port_no
820 : !strcmp(pp->name, port_name)) {
826 VLOG_DBG("received reply with xid %08"PRIx32" "
827 "!= expected %08"PRIx32, recv_xid, send_xid);
829 ofpbuf_delete(reply);
836 str_to_ofp(const char *s, ofp_port_t *ofp_port)
841 ret = str_to_uint(s, 10, &port_);
842 *ofp_port = u16_to_ofp(port_);
846 /* Opens a connection to 'vconn_name', fetches the port structure for
847 * 'port_name' (which may be a port name or number), and copies it into
850 fetch_ofputil_phy_port(const char *vconn_name, const char *port_name,
851 struct ofputil_phy_port *pp)
857 /* Try to interpret the argument as a port number. */
858 if (!str_to_ofp(port_name, &port_no)) {
862 /* OpenFlow 1.0, 1.1, and 1.2 put the list of ports in the
863 * OFPT_FEATURES_REPLY message. OpenFlow 1.3 and later versions put it
864 * into the OFPST_PORT_DESC reply. Try it the correct way. */
865 open_vconn(vconn_name, &vconn);
866 found = (vconn_get_version(vconn) < OFP13_VERSION
867 ? fetch_port_by_features(vconn, port_name, port_no, pp)
868 : fetch_port_by_stats(vconn, port_name, port_no, pp));
872 ovs_fatal(0, "%s: couldn't find port `%s'", vconn_name, port_name);
876 /* Returns the port number corresponding to 'port_name' (which may be a port
877 * name or number) within the switch 'vconn_name'. */
879 str_to_port_no(const char *vconn_name, const char *port_name)
883 if (ofputil_port_from_string(port_name, &port_no)) {
886 struct ofputil_phy_port pp;
888 fetch_ofputil_phy_port(vconn_name, port_name, &pp);
894 try_set_protocol(struct vconn *vconn, enum ofputil_protocol want,
895 enum ofputil_protocol *cur)
898 struct ofpbuf *request, *reply;
899 enum ofputil_protocol next;
901 request = ofputil_encode_set_protocol(*cur, want, &next);
906 run(vconn_transact_noreply(vconn, request, &reply),
907 "talking to %s", vconn_get_name(vconn));
909 char *s = ofp_to_string(reply->data, reply->size, 2);
910 VLOG_DBG("%s: failed to set protocol, switch replied: %s",
911 vconn_get_name(vconn), s);
913 ofpbuf_delete(reply);
921 static enum ofputil_protocol
922 set_protocol_for_flow_dump(struct vconn *vconn,
923 enum ofputil_protocol cur_protocol,
924 enum ofputil_protocol usable_protocols)
929 for (i = 0; i < ofputil_n_flow_dump_protocols; i++) {
930 enum ofputil_protocol f = ofputil_flow_dump_protocols[i];
931 if (f & usable_protocols & allowed_protocols
932 && try_set_protocol(vconn, f, &cur_protocol)) {
937 usable_s = ofputil_protocols_to_string(usable_protocols);
938 if (usable_protocols & allowed_protocols) {
939 ovs_fatal(0, "switch does not support any of the usable flow "
940 "formats (%s)", usable_s);
942 char *allowed_s = ofputil_protocols_to_string(allowed_protocols);
943 ovs_fatal(0, "none of the usable flow formats (%s) is among the "
944 "allowed flow formats (%s)", usable_s, allowed_s);
948 static struct vconn *
949 prepare_dump_flows(int argc, char *argv[], bool aggregate,
950 struct ofpbuf **requestp)
952 enum ofputil_protocol usable_protocols, protocol;
953 struct ofputil_flow_stats_request fsr;
957 error = parse_ofp_flow_stats_request_str(&fsr, aggregate,
958 argc > 2 ? argv[2] : "",
961 ovs_fatal(0, "%s", error);
964 protocol = open_vconn(argv[1], &vconn);
965 protocol = set_protocol_for_flow_dump(vconn, protocol, usable_protocols);
966 *requestp = ofputil_encode_flow_stats_request(&fsr, protocol);
971 ofctl_dump_flows__(int argc, char *argv[], bool aggregate)
973 struct ofpbuf *request;
976 vconn = prepare_dump_flows(argc, argv, aggregate, &request);
977 dump_stats_transaction(vconn, request);
982 compare_flows(const void *afs_, const void *bfs_)
984 const struct ofputil_flow_stats *afs = afs_;
985 const struct ofputil_flow_stats *bfs = bfs_;
986 const struct match *a = &afs->match;
987 const struct match *b = &bfs->match;
988 const struct sort_criterion *sc;
990 for (sc = criteria; sc < &criteria[n_criteria]; sc++) {
991 const struct mf_field *f = sc->field;
995 int a_pri = afs->priority;
996 int b_pri = bfs->priority;
997 ret = a_pri < b_pri ? -1 : a_pri > b_pri;
1001 ina = mf_are_prereqs_ok(f, &a->flow) && !mf_is_all_wild(f, &a->wc);
1002 inb = mf_are_prereqs_ok(f, &b->flow) && !mf_is_all_wild(f, &b->wc);
1004 /* Skip the test for sc->order, so that missing fields always
1005 * sort to the end whether we're sorting in ascending or
1006 * descending order. */
1007 return ina ? -1 : 1;
1009 union mf_value aval, bval;
1011 mf_get_value(f, &a->flow, &aval);
1012 mf_get_value(f, &b->flow, &bval);
1013 ret = memcmp(&aval, &bval, f->n_bytes);
1018 return sc->order == SORT_ASC ? ret : -ret;
1026 ofctl_dump_flows(int argc, char *argv[])
1029 ofctl_dump_flows__(argc, argv, false);
1032 struct ofputil_flow_stats *fses;
1033 size_t n_fses, allocated_fses;
1034 struct ofpbuf *request;
1035 struct ofpbuf ofpacts;
1036 struct ofpbuf *reply;
1037 struct vconn *vconn;
1042 vconn = prepare_dump_flows(argc, argv, false, &request);
1043 send_xid = ((struct ofp_header *) request->data)->xid;
1044 send_openflow_buffer(vconn, request);
1047 n_fses = allocated_fses = 0;
1049 ofpbuf_init(&ofpacts, 0);
1051 struct ofputil_flow_stats *fs;
1053 if (n_fses >= allocated_fses) {
1054 fses = x2nrealloc(fses, &allocated_fses, sizeof *fses);
1058 if (!recv_flow_stats_reply(vconn, send_xid, &reply, fs,
1062 fs->ofpacts = xmemdup(fs->ofpacts, fs->ofpacts_len);
1065 ofpbuf_uninit(&ofpacts);
1067 qsort(fses, n_fses, sizeof *fses, compare_flows);
1070 for (i = 0; i < n_fses; i++) {
1072 ofp_print_flow_stats(&s, &fses[i]);
1077 for (i = 0; i < n_fses; i++) {
1078 free(CONST_CAST(struct ofpact *, fses[i].ofpacts));
1087 ofctl_dump_aggregate(int argc, char *argv[])
1089 ofctl_dump_flows__(argc, argv, true);
1093 ofctl_queue_stats(int argc, char *argv[])
1095 struct ofpbuf *request;
1096 struct vconn *vconn;
1097 struct ofputil_queue_stats_request oqs;
1099 open_vconn(argv[1], &vconn);
1101 if (argc > 2 && argv[2][0] && strcasecmp(argv[2], "all")) {
1102 oqs.port_no = str_to_port_no(argv[1], argv[2]);
1104 oqs.port_no = OFPP_ANY;
1106 if (argc > 3 && argv[3][0] && strcasecmp(argv[3], "all")) {
1107 oqs.queue_id = atoi(argv[3]);
1109 oqs.queue_id = OFPQ_ALL;
1112 request = ofputil_encode_queue_stats_request(vconn_get_version(vconn), &oqs);
1113 dump_stats_transaction(vconn, request);
1118 ofctl_queue_get_config(int argc OVS_UNUSED, char *argv[])
1120 const char *vconn_name = argv[1];
1121 const char *port_name = argv[2];
1122 enum ofputil_protocol protocol;
1123 enum ofp_version version;
1124 struct ofpbuf *request;
1125 struct vconn *vconn;
1128 port = str_to_port_no(vconn_name, port_name);
1130 protocol = open_vconn(vconn_name, &vconn);
1131 version = ofputil_protocol_to_ofp_version(protocol);
1132 request = ofputil_encode_queue_get_config_request(version, port);
1133 dump_transaction(vconn, request);
1137 static enum ofputil_protocol
1138 open_vconn_for_flow_mod(const char *remote, struct vconn **vconnp,
1139 enum ofputil_protocol usable_protocols)
1141 enum ofputil_protocol cur_protocol;
1145 if (!(usable_protocols & allowed_protocols)) {
1146 char *allowed_s = ofputil_protocols_to_string(allowed_protocols);
1147 usable_s = ofputil_protocols_to_string(usable_protocols);
1148 ovs_fatal(0, "none of the usable flow formats (%s) is among the "
1149 "allowed flow formats (%s)", usable_s, allowed_s);
1152 /* If the initial flow format is allowed and usable, keep it. */
1153 cur_protocol = open_vconn(remote, vconnp);
1154 if (usable_protocols & allowed_protocols & cur_protocol) {
1155 return cur_protocol;
1158 /* Otherwise try each flow format in turn. */
1159 for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) {
1160 enum ofputil_protocol f = 1 << i;
1162 if (f != cur_protocol
1163 && f & usable_protocols & allowed_protocols
1164 && try_set_protocol(*vconnp, f, &cur_protocol)) {
1169 usable_s = ofputil_protocols_to_string(usable_protocols);
1170 ovs_fatal(0, "switch does not support any of the usable flow "
1171 "formats (%s)", usable_s);
1175 ofctl_flow_mod__(const char *remote, struct ofputil_flow_mod *fms,
1176 size_t n_fms, enum ofputil_protocol usable_protocols)
1178 enum ofputil_protocol protocol;
1179 struct vconn *vconn;
1182 protocol = open_vconn_for_flow_mod(remote, &vconn, usable_protocols);
1184 for (i = 0; i < n_fms; i++) {
1185 struct ofputil_flow_mod *fm = &fms[i];
1187 transact_noreply(vconn, ofputil_encode_flow_mod(fm, protocol));
1188 free(CONST_CAST(struct ofpact *, fm->ofpacts));
1194 ofctl_flow_mod_file(int argc OVS_UNUSED, char *argv[], uint16_t command)
1196 enum ofputil_protocol usable_protocols;
1197 struct ofputil_flow_mod *fms = NULL;
1201 error = parse_ofp_flow_mod_file(argv[2], command, &fms, &n_fms,
1204 ovs_fatal(0, "%s", error);
1206 ofctl_flow_mod__(argv[1], fms, n_fms, usable_protocols);
1211 ofctl_flow_mod(int argc, char *argv[], uint16_t command)
1213 if (argc > 2 && !strcmp(argv[2], "-")) {
1214 ofctl_flow_mod_file(argc, argv, command);
1216 struct ofputil_flow_mod fm;
1218 enum ofputil_protocol usable_protocols;
1220 error = parse_ofp_flow_mod_str(&fm, argc > 2 ? argv[2] : "", command,
1223 ovs_fatal(0, "%s", error);
1225 ofctl_flow_mod__(argv[1], &fm, 1, usable_protocols);
1230 ofctl_add_flow(int argc, char *argv[])
1232 ofctl_flow_mod(argc, argv, OFPFC_ADD);
1236 ofctl_add_flows(int argc, char *argv[])
1238 ofctl_flow_mod_file(argc, argv, OFPFC_ADD);
1242 ofctl_mod_flows(int argc, char *argv[])
1244 ofctl_flow_mod(argc, argv, strict ? OFPFC_MODIFY_STRICT : OFPFC_MODIFY);
1248 ofctl_del_flows(int argc, char *argv[])
1250 ofctl_flow_mod(argc, argv, strict ? OFPFC_DELETE_STRICT : OFPFC_DELETE);
1254 set_packet_in_format(struct vconn *vconn,
1255 enum nx_packet_in_format packet_in_format)
1257 struct ofpbuf *spif;
1259 spif = ofputil_make_set_packet_in_format(vconn_get_version(vconn),
1261 transact_noreply(vconn, spif);
1262 VLOG_DBG("%s: using user-specified packet in format %s",
1263 vconn_get_name(vconn),
1264 ofputil_packet_in_format_to_string(packet_in_format));
1268 monitor_set_invalid_ttl_to_controller(struct vconn *vconn)
1270 struct ofp_switch_config config;
1271 enum ofp_config_flags flags;
1273 fetch_switch_config(vconn, &config);
1274 flags = ntohs(config.flags);
1275 if (!(flags & OFPC_INVALID_TTL_TO_CONTROLLER)) {
1276 /* Set the invalid ttl config. */
1277 flags |= OFPC_INVALID_TTL_TO_CONTROLLER;
1279 config.flags = htons(flags);
1280 set_switch_config(vconn, &config);
1282 /* Then retrieve the configuration to see if it really took. OpenFlow
1283 * doesn't define error reporting for bad modes, so this is all we can
1285 fetch_switch_config(vconn, &config);
1286 flags = ntohs(config.flags);
1287 if (!(flags & OFPC_INVALID_TTL_TO_CONTROLLER)) {
1288 ovs_fatal(0, "setting invalid_ttl_to_controller failed (this "
1289 "switch probably doesn't support mode)");
1296 /* Converts hex digits in 'hex' to an OpenFlow message in '*msgp'. The
1297 * caller must free '*msgp'. On success, returns NULL. On failure, returns
1298 * an error message and stores NULL in '*msgp'. */
1300 openflow_from_hex(const char *hex, struct ofpbuf **msgp)
1302 struct ofp_header *oh;
1305 msg = ofpbuf_new(strlen(hex) / 2);
1308 if (ofpbuf_put_hex(msg, hex, NULL)[0] != '\0') {
1310 return "Trailing garbage in hex data";
1313 if (msg->size < sizeof(struct ofp_header)) {
1315 return "Message too short for OpenFlow";
1319 if (msg->size != ntohs(oh->length)) {
1321 return "Message size does not match length in OpenFlow header";
1329 ofctl_send(struct unixctl_conn *conn, int argc,
1330 const char *argv[], void *vconn_)
1332 struct vconn *vconn = vconn_;
1339 for (i = 1; i < argc; i++) {
1340 const char *error_msg;
1344 error_msg = openflow_from_hex(argv[i], &msg);
1346 ds_put_format(&reply, "%s\n", error_msg);
1351 fprintf(stderr, "send: ");
1352 ofp_print(stderr, msg->data, msg->size, verbosity);
1354 error = vconn_send_block(vconn, msg);
1357 ds_put_format(&reply, "%s\n", ovs_strerror(error));
1360 ds_put_cstr(&reply, "sent\n");
1365 unixctl_command_reply(conn, ds_cstr(&reply));
1367 unixctl_command_reply_error(conn, ds_cstr(&reply));
1372 struct barrier_aux {
1373 struct vconn *vconn; /* OpenFlow connection for sending barrier. */
1374 struct unixctl_conn *conn; /* Connection waiting for barrier response. */
1378 ofctl_barrier(struct unixctl_conn *conn, int argc OVS_UNUSED,
1379 const char *argv[] OVS_UNUSED, void *aux_)
1381 struct barrier_aux *aux = aux_;
1386 unixctl_command_reply_error(conn, "already waiting for barrier reply");
1390 msg = ofputil_encode_barrier_request(vconn_get_version(aux->vconn));
1391 error = vconn_send_block(aux->vconn, msg);
1394 unixctl_command_reply_error(conn, ovs_strerror(error));
1401 ofctl_set_output_file(struct unixctl_conn *conn, int argc OVS_UNUSED,
1402 const char *argv[], void *aux OVS_UNUSED)
1406 fd = open(argv[1], O_CREAT | O_TRUNC | O_WRONLY, 0666);
1408 unixctl_command_reply_error(conn, ovs_strerror(errno));
1413 dup2(fd, STDERR_FILENO);
1415 unixctl_command_reply(conn, NULL);
1419 ofctl_block(struct unixctl_conn *conn, int argc OVS_UNUSED,
1420 const char *argv[] OVS_UNUSED, void *blocked_)
1422 bool *blocked = blocked_;
1426 unixctl_command_reply(conn, NULL);
1428 unixctl_command_reply(conn, "already blocking");
1433 ofctl_unblock(struct unixctl_conn *conn, int argc OVS_UNUSED,
1434 const char *argv[] OVS_UNUSED, void *blocked_)
1436 bool *blocked = blocked_;
1440 unixctl_command_reply(conn, NULL);
1442 unixctl_command_reply(conn, "already unblocked");
1446 /* Prints to stdout all of the messages received on 'vconn'.
1448 * Iff 'reply_to_echo_requests' is true, sends a reply to any echo request
1449 * received on 'vconn'. */
1451 monitor_vconn(struct vconn *vconn, bool reply_to_echo_requests)
1453 struct barrier_aux barrier_aux = { vconn, NULL };
1454 struct unixctl_server *server;
1455 bool exiting = false;
1456 bool blocked = false;
1459 daemon_save_fd(STDERR_FILENO);
1461 error = unixctl_server_create(unixctl_path, &server);
1463 ovs_fatal(error, "failed to create unixctl server");
1465 unixctl_command_register("exit", "", 0, 0, ofctl_exit, &exiting);
1466 unixctl_command_register("ofctl/send", "OFMSG...", 1, INT_MAX,
1468 unixctl_command_register("ofctl/barrier", "", 0, 0,
1469 ofctl_barrier, &barrier_aux);
1470 unixctl_command_register("ofctl/set-output-file", "FILE", 1, 1,
1471 ofctl_set_output_file, NULL);
1473 unixctl_command_register("ofctl/block", "", 0, 0, ofctl_block, &blocked);
1474 unixctl_command_register("ofctl/unblock", "", 0, 0, ofctl_unblock,
1477 daemonize_complete();
1483 unixctl_server_run(server);
1488 retval = vconn_recv(vconn, &b);
1489 if (retval == EAGAIN) {
1492 run(retval, "vconn_recv");
1495 char *s = xastrftime_msec("%Y-%m-%d %H:%M:%S.###: ",
1496 time_wall_msec(), true);
1501 ofptype_decode(&type, b->data);
1502 ofp_print(stderr, b->data, b->size, verbosity + 2);
1505 switch ((int) type) {
1506 case OFPTYPE_BARRIER_REPLY:
1507 if (barrier_aux.conn) {
1508 unixctl_command_reply(barrier_aux.conn, NULL);
1509 barrier_aux.conn = NULL;
1513 case OFPTYPE_ECHO_REQUEST:
1514 if (reply_to_echo_requests) {
1515 struct ofpbuf *reply;
1517 reply = make_echo_reply(b->data);
1518 retval = vconn_send_block(vconn, reply);
1520 ovs_fatal(retval, "failed to send echo reply");
1533 vconn_run_wait(vconn);
1535 vconn_recv_wait(vconn);
1537 unixctl_server_wait(server);
1541 unixctl_server_destroy(server);
1545 ofctl_monitor(int argc, char *argv[])
1547 struct vconn *vconn;
1549 enum ofputil_protocol usable_protocols;
1551 open_vconn(argv[1], &vconn);
1552 for (i = 2; i < argc; i++) {
1553 const char *arg = argv[i];
1555 if (isdigit((unsigned char) *arg)) {
1556 struct ofp_switch_config config;
1558 fetch_switch_config(vconn, &config);
1559 config.miss_send_len = htons(atoi(arg));
1560 set_switch_config(vconn, &config);
1561 } else if (!strcmp(arg, "invalid_ttl")) {
1562 monitor_set_invalid_ttl_to_controller(vconn);
1563 } else if (!strncmp(arg, "watch:", 6)) {
1564 struct ofputil_flow_monitor_request fmr;
1568 error = parse_flow_monitor_request(&fmr, arg + 6,
1571 ovs_fatal(0, "%s", error);
1574 msg = ofpbuf_new(0);
1575 ofputil_append_flow_monitor_request(&fmr, msg);
1576 dump_stats_transaction(vconn, msg);
1579 ovs_fatal(0, "%s: unsupported \"monitor\" argument", arg);
1583 if (preferred_packet_in_format >= 0) {
1584 set_packet_in_format(vconn, preferred_packet_in_format);
1586 enum ofp_version version = vconn_get_version(vconn);
1589 case OFP10_VERSION: {
1590 struct ofpbuf *spif, *reply;
1592 spif = ofputil_make_set_packet_in_format(vconn_get_version(vconn),
1594 run(vconn_transact_noreply(vconn, spif, &reply),
1595 "talking to %s", vconn_get_name(vconn));
1597 char *s = ofp_to_string(reply->data, reply->size, 2);
1598 VLOG_DBG("%s: failed to set packet in format to nxm, controller"
1599 " replied: %s. Falling back to the switch default.",
1600 vconn_get_name(vconn), s);
1602 ofpbuf_delete(reply);
1617 monitor_vconn(vconn, true);
1621 ofctl_snoop(int argc OVS_UNUSED, char *argv[])
1623 struct vconn *vconn;
1625 open_vconn__(argv[1], SNOOP, &vconn);
1626 monitor_vconn(vconn, false);
1630 ofctl_dump_ports(int argc, char *argv[])
1632 struct ofpbuf *request;
1633 struct vconn *vconn;
1636 open_vconn(argv[1], &vconn);
1637 port = argc > 2 ? str_to_port_no(argv[1], argv[2]) : OFPP_ANY;
1638 request = ofputil_encode_dump_ports_request(vconn_get_version(vconn), port);
1639 dump_stats_transaction(vconn, request);
1644 ofctl_dump_ports_desc(int argc OVS_UNUSED, char *argv[])
1646 struct ofpbuf *request;
1647 struct vconn *vconn;
1650 open_vconn(argv[1], &vconn);
1651 port = argc > 2 ? str_to_port_no(argv[1], argv[2]) : OFPP_ANY;
1652 request = ofputil_encode_port_desc_stats_request(vconn_get_version(vconn),
1654 dump_stats_transaction(vconn, request);
1659 ofctl_probe(int argc OVS_UNUSED, char *argv[])
1661 struct ofpbuf *request;
1662 struct vconn *vconn;
1663 struct ofpbuf *reply;
1665 open_vconn(argv[1], &vconn);
1666 request = make_echo_request(vconn_get_version(vconn));
1667 run(vconn_transact(vconn, request, &reply), "talking to %s", argv[1]);
1668 if (reply->size != sizeof(struct ofp_header)) {
1669 ovs_fatal(0, "reply does not match request");
1671 ofpbuf_delete(reply);
1676 ofctl_packet_out(int argc, char *argv[])
1678 enum ofputil_protocol protocol;
1679 struct ofputil_packet_out po;
1680 struct ofpbuf ofpacts;
1681 struct vconn *vconn;
1684 enum ofputil_protocol usable_protocols; /* XXX: Use in proto selection */
1686 ofpbuf_init(&ofpacts, 64);
1687 error = ofpacts_parse_actions(argv[3], &ofpacts, &usable_protocols);
1689 ovs_fatal(0, "%s", error);
1692 po.buffer_id = UINT32_MAX;
1693 po.in_port = str_to_port_no(argv[1], argv[2]);
1694 po.ofpacts = ofpacts.data;
1695 po.ofpacts_len = ofpacts.size;
1697 protocol = open_vconn(argv[1], &vconn);
1698 for (i = 4; i < argc; i++) {
1699 struct dp_packet *packet;
1701 const char *error_msg;
1703 error_msg = eth_from_hex(argv[i], &packet);
1705 ovs_fatal(0, "%s", error_msg);
1708 po.packet = dp_packet_data(packet);
1709 po.packet_len = dp_packet_size(packet);
1710 opo = ofputil_encode_packet_out(&po, protocol);
1711 transact_noreply(vconn, opo);
1712 dp_packet_delete(packet);
1715 ofpbuf_uninit(&ofpacts);
1719 ofctl_mod_port(int argc OVS_UNUSED, char *argv[])
1721 struct ofp_config_flag {
1722 const char *name; /* The flag's name. */
1723 enum ofputil_port_config bit; /* Bit to turn on or off. */
1724 bool on; /* Value to set the bit to. */
1726 static const struct ofp_config_flag flags[] = {
1727 { "up", OFPUTIL_PC_PORT_DOWN, false },
1728 { "down", OFPUTIL_PC_PORT_DOWN, true },
1729 { "stp", OFPUTIL_PC_NO_STP, false },
1730 { "receive", OFPUTIL_PC_NO_RECV, false },
1731 { "receive-stp", OFPUTIL_PC_NO_RECV_STP, false },
1732 { "flood", OFPUTIL_PC_NO_FLOOD, false },
1733 { "forward", OFPUTIL_PC_NO_FWD, false },
1734 { "packet-in", OFPUTIL_PC_NO_PACKET_IN, false },
1737 const struct ofp_config_flag *flag;
1738 enum ofputil_protocol protocol;
1739 struct ofputil_port_mod pm;
1740 struct ofputil_phy_port pp;
1741 struct vconn *vconn;
1742 const char *command;
1745 fetch_ofputil_phy_port(argv[1], argv[2], &pp);
1747 pm.port_no = pp.port_no;
1748 memcpy(pm.hw_addr, pp.hw_addr, ETH_ADDR_LEN);
1753 if (!strncasecmp(argv[3], "no-", 3)) {
1754 command = argv[3] + 3;
1756 } else if (!strncasecmp(argv[3], "no", 2)) {
1757 command = argv[3] + 2;
1763 for (flag = flags; flag < &flags[ARRAY_SIZE(flags)]; flag++) {
1764 if (!strcasecmp(command, flag->name)) {
1765 pm.mask = flag->bit;
1766 pm.config = flag->on ^ not ? flag->bit : 0;
1770 ovs_fatal(0, "unknown mod-port command '%s'", argv[3]);
1773 protocol = open_vconn(argv[1], &vconn);
1774 transact_noreply(vconn, ofputil_encode_port_mod(&pm, protocol));
1779 ofctl_mod_table(int argc OVS_UNUSED, char *argv[])
1781 enum ofputil_protocol protocol, usable_protocols;
1782 struct ofputil_table_mod tm;
1783 struct vconn *vconn;
1787 error = parse_ofp_table_mod(&tm, argv[2], argv[3], &usable_protocols);
1789 ovs_fatal(0, "%s", error);
1792 protocol = open_vconn(argv[1], &vconn);
1793 if (!(protocol & usable_protocols)) {
1794 for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) {
1795 enum ofputil_protocol f = 1 << i;
1797 && f & usable_protocols
1798 && try_set_protocol(vconn, f, &protocol)) {
1805 if (!(protocol & usable_protocols)) {
1806 char *usable_s = ofputil_protocols_to_string(usable_protocols);
1807 ovs_fatal(0, "Switch does not support table mod message(%s)", usable_s);
1810 transact_noreply(vconn, ofputil_encode_table_mod(&tm, protocol));
1815 ofctl_get_frags(int argc OVS_UNUSED, char *argv[])
1817 struct ofp_switch_config config;
1818 struct vconn *vconn;
1820 open_vconn(argv[1], &vconn);
1821 fetch_switch_config(vconn, &config);
1822 puts(ofputil_frag_handling_to_string(ntohs(config.flags)));
1827 ofctl_set_frags(int argc OVS_UNUSED, char *argv[])
1829 struct ofp_switch_config config;
1830 enum ofp_config_flags mode;
1831 struct vconn *vconn;
1834 if (!ofputil_frag_handling_from_string(argv[2], &mode)) {
1835 ovs_fatal(0, "%s: unknown fragment handling mode", argv[2]);
1838 open_vconn(argv[1], &vconn);
1839 fetch_switch_config(vconn, &config);
1840 flags = htons(mode) | (config.flags & htons(~OFPC_FRAG_MASK));
1841 if (flags != config.flags) {
1842 /* Set the configuration. */
1843 config.flags = flags;
1844 set_switch_config(vconn, &config);
1846 /* Then retrieve the configuration to see if it really took. OpenFlow
1847 * doesn't define error reporting for bad modes, so this is all we can
1849 fetch_switch_config(vconn, &config);
1850 if (flags != config.flags) {
1851 ovs_fatal(0, "%s: setting fragment handling mode failed (this "
1852 "switch probably doesn't support mode \"%s\")",
1853 argv[1], ofputil_frag_handling_to_string(mode));
1860 ofctl_ofp_parse(int argc OVS_UNUSED, char *argv[])
1862 const char *filename = argv[1];
1866 file = !strcmp(filename, "-") ? stdin : fopen(filename, "r");
1868 ovs_fatal(errno, "%s: open", filename);
1871 ofpbuf_init(&b, 65536);
1873 struct ofp_header *oh;
1874 size_t length, tail_len;
1879 oh = ofpbuf_put_uninit(&b, sizeof *oh);
1880 n = fread(oh, 1, sizeof *oh, file);
1883 } else if (n < sizeof *oh) {
1884 ovs_fatal(0, "%s: unexpected end of file mid-message", filename);
1887 length = ntohs(oh->length);
1888 if (length < sizeof *oh) {
1889 ovs_fatal(0, "%s: %"PRIuSIZE"-byte message is too short for OpenFlow",
1893 tail_len = length - sizeof *oh;
1894 tail = ofpbuf_put_uninit(&b, tail_len);
1895 n = fread(tail, 1, tail_len, file);
1897 ovs_fatal(0, "%s: unexpected end of file mid-message", filename);
1900 ofp_print(stdout, b.data, b.size, verbosity + 2);
1904 if (file != stdin) {
1910 is_openflow_port(ovs_be16 port_, char *ports[])
1912 uint16_t port = ntohs(port_);
1916 for (i = 0; ports[i]; i++) {
1917 if (port == atoi(ports[i])) {
1923 return port == OFP_PORT || port == OFP_OLD_PORT;
1928 ofctl_ofp_parse_pcap(int argc OVS_UNUSED, char *argv[])
1930 struct tcp_reader *reader;
1935 file = ovs_pcap_open(argv[1], "rb");
1937 ovs_fatal(errno, "%s: open failed", argv[1]);
1940 reader = tcp_reader_open();
1943 struct dp_packet *packet;
1947 error = ovs_pcap_read(file, &packet, &when);
1951 packet->md = PKT_METADATA_INITIALIZER(ODPP_NONE);
1952 flow_extract(packet, &flow);
1953 if (flow.dl_type == htons(ETH_TYPE_IP)
1954 && flow.nw_proto == IPPROTO_TCP
1955 && (is_openflow_port(flow.tp_src, argv + 2) ||
1956 is_openflow_port(flow.tp_dst, argv + 2))) {
1957 struct dp_packet *payload = tcp_reader_run(reader, &flow, packet);
1959 while (dp_packet_size(payload) >= sizeof(struct ofp_header)) {
1960 const struct ofp_header *oh;
1961 void *data = dp_packet_data(payload);
1964 /* Align OpenFlow on 8-byte boundary for safe access. */
1965 dp_packet_shift(payload, -((intptr_t) data & 7));
1967 oh = dp_packet_data(payload);
1968 length = ntohs(oh->length);
1969 if (dp_packet_size(payload) < length) {
1979 char *s = xastrftime_msec("%H:%M:%S.### ", when, true);
1984 printf(IP_FMT".%"PRIu16" > "IP_FMT".%"PRIu16":\n",
1985 IP_ARGS(flow.nw_src), ntohs(flow.tp_src),
1986 IP_ARGS(flow.nw_dst), ntohs(flow.tp_dst));
1987 ofp_print(stdout, dp_packet_data(payload), length, verbosity + 1);
1988 dp_packet_pull(payload, length);
1992 dp_packet_delete(packet);
1994 tcp_reader_close(reader);
1998 ofctl_ping(int argc, char *argv[])
2000 size_t max_payload = 65535 - sizeof(struct ofp_header);
2001 unsigned int payload;
2002 struct vconn *vconn;
2005 payload = argc > 2 ? atoi(argv[2]) : 64;
2006 if (payload > max_payload) {
2007 ovs_fatal(0, "payload must be between 0 and %"PRIuSIZE" bytes", max_payload);
2010 open_vconn(argv[1], &vconn);
2011 for (i = 0; i < 10; i++) {
2012 struct timeval start, end;
2013 struct ofpbuf *request, *reply;
2014 const struct ofp_header *rpy_hdr;
2017 request = ofpraw_alloc(OFPRAW_OFPT_ECHO_REQUEST,
2018 vconn_get_version(vconn), payload);
2019 random_bytes(ofpbuf_put_uninit(request, payload), payload);
2021 xgettimeofday(&start);
2022 run(vconn_transact(vconn, ofpbuf_clone(request), &reply), "transact");
2023 xgettimeofday(&end);
2025 rpy_hdr = reply->data;
2026 if (ofptype_pull(&type, reply)
2027 || type != OFPTYPE_ECHO_REPLY
2028 || reply->size != payload
2029 || memcmp(request->msg, reply->msg, payload)) {
2030 printf("Reply does not match request. Request:\n");
2031 ofp_print(stdout, request, request->size, verbosity + 2);
2033 ofp_print(stdout, reply, reply->size, verbosity + 2);
2035 printf("%"PRIu32" bytes from %s: xid=%08"PRIx32" time=%.1f ms\n",
2036 reply->size, argv[1], ntohl(rpy_hdr->xid),
2037 (1000*(double)(end.tv_sec - start.tv_sec))
2038 + (.001*(end.tv_usec - start.tv_usec)));
2039 ofpbuf_delete(request);
2040 ofpbuf_delete(reply);
2046 ofctl_benchmark(int argc OVS_UNUSED, char *argv[])
2048 size_t max_payload = 65535 - sizeof(struct ofp_header);
2049 struct timeval start, end;
2050 unsigned int payload_size, message_size;
2051 struct vconn *vconn;
2056 payload_size = atoi(argv[2]);
2057 if (payload_size > max_payload) {
2058 ovs_fatal(0, "payload must be between 0 and %"PRIuSIZE" bytes", max_payload);
2060 message_size = sizeof(struct ofp_header) + payload_size;
2062 count = atoi(argv[3]);
2064 printf("Sending %d packets * %u bytes (with header) = %u bytes total\n",
2065 count, message_size, count * message_size);
2067 open_vconn(argv[1], &vconn);
2068 xgettimeofday(&start);
2069 for (i = 0; i < count; i++) {
2070 struct ofpbuf *request, *reply;
2072 request = ofpraw_alloc(OFPRAW_OFPT_ECHO_REQUEST,
2073 vconn_get_version(vconn), payload_size);
2074 ofpbuf_put_zeros(request, payload_size);
2075 run(vconn_transact(vconn, request, &reply), "transact");
2076 ofpbuf_delete(reply);
2078 xgettimeofday(&end);
2081 duration = ((1000*(double)(end.tv_sec - start.tv_sec))
2082 + (.001*(end.tv_usec - start.tv_usec)));
2083 printf("Finished in %.1f ms (%.0f packets/s) (%.0f bytes/s)\n",
2084 duration, count / (duration / 1000.0),
2085 count * message_size / (duration / 1000.0));
2089 ofctl_group_mod__(const char *remote, struct ofputil_group_mod *gms,
2090 size_t n_gms, enum ofputil_protocol usable_protocols)
2092 enum ofputil_protocol protocol;
2093 struct ofputil_group_mod *gm;
2094 enum ofp_version version;
2095 struct ofpbuf *request;
2097 struct vconn *vconn;
2100 protocol = open_vconn_for_flow_mod(remote, &vconn, usable_protocols);
2101 version = ofputil_protocol_to_ofp_version(protocol);
2103 for (i = 0; i < n_gms; i++) {
2105 request = ofputil_encode_group_mod(version, gm);
2107 transact_noreply(vconn, request);
2117 ofctl_group_mod_file(int argc OVS_UNUSED, char *argv[], uint16_t command)
2119 struct ofputil_group_mod *gms = NULL;
2120 enum ofputil_protocol usable_protocols;
2125 error = parse_ofp_group_mod_file(argv[2], command, &gms, &n_gms,
2128 ovs_fatal(0, "%s", error);
2130 ofctl_group_mod__(argv[1], gms, n_gms, usable_protocols);
2131 for (i = 0; i < n_gms; i++) {
2132 ofputil_bucket_list_destroy(&gms[i].buckets);
2138 ofctl_group_mod(int argc, char *argv[], uint16_t command)
2140 if (argc > 2 && !strcmp(argv[2], "-")) {
2141 ofctl_group_mod_file(argc, argv, command);
2143 enum ofputil_protocol usable_protocols;
2144 struct ofputil_group_mod gm;
2147 error = parse_ofp_group_mod_str(&gm, command, argc > 2 ? argv[2] : "",
2150 ovs_fatal(0, "%s", error);
2152 ofctl_group_mod__(argv[1], &gm, 1, usable_protocols);
2153 ofputil_bucket_list_destroy(&gm.buckets);
2158 ofctl_add_group(int argc, char *argv[])
2160 ofctl_group_mod(argc, argv, OFPGC11_ADD);
2164 ofctl_add_groups(int argc, char *argv[])
2166 ofctl_group_mod_file(argc, argv, OFPGC11_ADD);
2170 ofctl_mod_group(int argc, char *argv[])
2172 ofctl_group_mod(argc, argv, OFPGC11_MODIFY);
2176 ofctl_del_groups(int argc, char *argv[])
2178 ofctl_group_mod(argc, argv, OFPGC11_DELETE);
2182 ofctl_insert_bucket(int argc, char *argv[])
2184 ofctl_group_mod(argc, argv, OFPGC15_INSERT_BUCKET);
2188 ofctl_remove_bucket(int argc, char *argv[])
2190 ofctl_group_mod(argc, argv, OFPGC15_REMOVE_BUCKET);
2194 ofctl_dump_group_stats(int argc, char *argv[])
2196 enum ofputil_protocol usable_protocols;
2197 struct ofputil_group_mod gm;
2198 struct ofpbuf *request;
2199 struct vconn *vconn;
2203 memset(&gm, 0, sizeof gm);
2205 error = parse_ofp_group_mod_str(&gm, OFPGC11_DELETE,
2206 argc > 2 ? argv[2] : "",
2209 ovs_fatal(0, "%s", error);
2212 group_id = gm.group_id;
2214 open_vconn(argv[1], &vconn);
2215 request = ofputil_encode_group_stats_request(vconn_get_version(vconn),
2218 dump_stats_transaction(vconn, request);
2225 ofctl_dump_group_desc(int argc OVS_UNUSED, char *argv[])
2227 struct ofpbuf *request;
2228 struct vconn *vconn;
2231 open_vconn(argv[1], &vconn);
2233 if (argc < 3 || !ofputil_group_from_string(argv[2], &group_id)) {
2234 group_id = OFPG11_ALL;
2237 request = ofputil_encode_group_desc_request(vconn_get_version(vconn),
2240 dump_stats_transaction(vconn, request);
2247 ofctl_dump_group_features(int argc OVS_UNUSED, char *argv[])
2249 struct ofpbuf *request;
2250 struct vconn *vconn;
2252 open_vconn(argv[1], &vconn);
2253 request = ofputil_encode_group_features_request(vconn_get_version(vconn));
2255 dump_stats_transaction(vconn, request);
2262 ofctl_help(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
2268 ofctl_list_commands(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
2270 ovs_cmdl_print_commands(get_all_commands());
2273 /* replace-flows and diff-flows commands. */
2275 /* A flow table entry, possibly with two different versions. */
2277 struct cls_rule rule; /* Within a "struct classifier". */
2278 struct fte_version *versions[2];
2281 /* One version of a Flow Table Entry. */
2282 struct fte_version {
2284 uint16_t idle_timeout;
2285 uint16_t hard_timeout;
2286 uint16_t importance;
2288 struct ofpact *ofpacts;
2292 /* Frees 'version' and the data that it owns. */
2294 fte_version_free(struct fte_version *version)
2297 free(CONST_CAST(struct ofpact *, version->ofpacts));
2302 /* Returns true if 'a' and 'b' are the same, false if they differ.
2304 * Ignores differences in 'flags' because there's no way to retrieve flags from
2305 * an OpenFlow switch. We have to assume that they are the same. */
2307 fte_version_equals(const struct fte_version *a, const struct fte_version *b)
2309 return (a->cookie == b->cookie
2310 && a->idle_timeout == b->idle_timeout
2311 && a->hard_timeout == b->hard_timeout
2312 && a->importance == b->importance
2313 && ofpacts_equal(a->ofpacts, a->ofpacts_len,
2314 b->ofpacts, b->ofpacts_len));
2317 /* Clears 's', then if 's' has a version 'index', formats 'fte' and version
2318 * 'index' into 's', followed by a new-line. */
2320 fte_version_format(const struct fte *fte, int index, struct ds *s)
2322 const struct fte_version *version = fte->versions[index];
2329 cls_rule_format(&fte->rule, s);
2330 if (version->cookie != htonll(0)) {
2331 ds_put_format(s, " cookie=0x%"PRIx64, ntohll(version->cookie));
2333 if (version->idle_timeout != OFP_FLOW_PERMANENT) {
2334 ds_put_format(s, " idle_timeout=%"PRIu16, version->idle_timeout);
2336 if (version->hard_timeout != OFP_FLOW_PERMANENT) {
2337 ds_put_format(s, " hard_timeout=%"PRIu16, version->hard_timeout);
2339 if (version->importance != 0) {
2340 ds_put_format(s, " importance=%"PRIu16, version->importance);
2343 ds_put_cstr(s, " actions=");
2344 ofpacts_format(version->ofpacts, version->ofpacts_len, s);
2346 ds_put_char(s, '\n');
2350 fte_from_cls_rule(const struct cls_rule *cls_rule)
2352 return cls_rule ? CONTAINER_OF(cls_rule, struct fte, rule) : NULL;
2355 /* Frees 'fte' and its versions. */
2357 fte_free(struct fte *fte)
2360 fte_version_free(fte->versions[0]);
2361 fte_version_free(fte->versions[1]);
2362 cls_rule_destroy(&fte->rule);
2367 /* Frees all of the FTEs within 'cls'. */
2369 fte_free_all(struct classifier *cls)
2373 classifier_defer(cls);
2374 CLS_FOR_EACH (fte, rule, cls) {
2375 classifier_remove(cls, &fte->rule);
2376 ovsrcu_postpone(fte_free, fte);
2378 classifier_destroy(cls);
2381 /* Searches 'cls' for an FTE matching 'rule', inserting a new one if
2382 * necessary. Sets 'version' as the version of that rule with the given
2383 * 'index', replacing any existing version, if any.
2385 * Takes ownership of 'version'. */
2387 fte_insert(struct classifier *cls, const struct match *match,
2388 int priority, struct fte_version *version, int index)
2390 struct fte *old, *fte;
2392 fte = xzalloc(sizeof *fte);
2393 cls_rule_init(&fte->rule, match, priority);
2394 fte->versions[index] = version;
2396 old = fte_from_cls_rule(classifier_replace(cls, &fte->rule, NULL, 0));
2398 fte->versions[!index] = old->versions[!index];
2399 old->versions[!index] = NULL;
2401 ovsrcu_postpone(fte_free, old);
2405 /* Reads the flows in 'filename' as flow table entries in 'cls' for the version
2406 * with the specified 'index'. Returns the flow formats able to represent the
2407 * flows that were read. */
2408 static enum ofputil_protocol
2409 read_flows_from_file(const char *filename, struct classifier *cls, int index)
2411 enum ofputil_protocol usable_protocols;
2416 file = !strcmp(filename, "-") ? stdin : fopen(filename, "r");
2418 ovs_fatal(errno, "%s: open", filename);
2422 usable_protocols = OFPUTIL_P_ANY;
2424 classifier_defer(cls);
2425 while (!ds_get_preprocessed_line(&s, file, &line_number)) {
2426 struct fte_version *version;
2427 struct ofputil_flow_mod fm;
2429 enum ofputil_protocol usable;
2431 error = parse_ofp_str(&fm, OFPFC_ADD, ds_cstr(&s), &usable);
2433 ovs_fatal(0, "%s:%d: %s", filename, line_number, error);
2435 usable_protocols &= usable;
2437 version = xmalloc(sizeof *version);
2438 version->cookie = fm.new_cookie;
2439 version->idle_timeout = fm.idle_timeout;
2440 version->hard_timeout = fm.hard_timeout;
2441 version->importance = fm.importance;
2442 version->flags = fm.flags & (OFPUTIL_FF_SEND_FLOW_REM
2443 | OFPUTIL_FF_EMERG);
2444 version->ofpacts = fm.ofpacts;
2445 version->ofpacts_len = fm.ofpacts_len;
2447 fte_insert(cls, &fm.match, fm.priority, version, index);
2449 classifier_publish(cls);
2452 if (file != stdin) {
2456 return usable_protocols;
2460 recv_flow_stats_reply(struct vconn *vconn, ovs_be32 send_xid,
2461 struct ofpbuf **replyp,
2462 struct ofputil_flow_stats *fs, struct ofpbuf *ofpacts)
2464 struct ofpbuf *reply = *replyp;
2470 /* Get a flow stats reply message, if we don't already have one. */
2476 run(vconn_recv_block(vconn, &reply),
2477 "OpenFlow packet receive failed");
2478 } while (((struct ofp_header *) reply->data)->xid != send_xid);
2480 error = ofptype_decode(&type, reply->data);
2481 if (error || type != OFPTYPE_FLOW_STATS_REPLY) {
2482 ovs_fatal(0, "received bad reply: %s",
2483 ofp_to_string(reply->data, reply->size,
2488 /* Pull an individual flow stats reply out of the message. */
2489 retval = ofputil_decode_flow_stats_reply(fs, reply, false, ofpacts);
2496 more = ofpmp_more(reply->header);
2497 ofpbuf_delete(reply);
2506 ovs_fatal(0, "parse error in reply (%s)",
2507 ofperr_to_string(retval));
2512 /* Reads the OpenFlow flow table from 'vconn', which has currently active flow
2513 * format 'protocol', and adds them as flow table entries in 'cls' for the
2514 * version with the specified 'index'. */
2516 read_flows_from_switch(struct vconn *vconn,
2517 enum ofputil_protocol protocol,
2518 struct classifier *cls, int index)
2520 struct ofputil_flow_stats_request fsr;
2521 struct ofputil_flow_stats fs;
2522 struct ofpbuf *request;
2523 struct ofpbuf ofpacts;
2524 struct ofpbuf *reply;
2527 fsr.aggregate = false;
2528 match_init_catchall(&fsr.match);
2529 fsr.out_port = OFPP_ANY;
2530 fsr.table_id = 0xff;
2531 fsr.cookie = fsr.cookie_mask = htonll(0);
2532 request = ofputil_encode_flow_stats_request(&fsr, protocol);
2533 send_xid = ((struct ofp_header *) request->data)->xid;
2534 send_openflow_buffer(vconn, request);
2537 ofpbuf_init(&ofpacts, 0);
2538 classifier_defer(cls);
2539 while (recv_flow_stats_reply(vconn, send_xid, &reply, &fs, &ofpacts)) {
2540 struct fte_version *version;
2542 version = xmalloc(sizeof *version);
2543 version->cookie = fs.cookie;
2544 version->idle_timeout = fs.idle_timeout;
2545 version->hard_timeout = fs.hard_timeout;
2546 version->importance = fs.importance;
2548 version->ofpacts_len = fs.ofpacts_len;
2549 version->ofpacts = xmemdup(fs.ofpacts, fs.ofpacts_len);
2551 fte_insert(cls, &fs.match, fs.priority, version, index);
2553 classifier_publish(cls);
2554 ofpbuf_uninit(&ofpacts);
2558 fte_make_flow_mod(const struct fte *fte, int index, uint16_t command,
2559 enum ofputil_protocol protocol, struct ovs_list *packets)
2561 const struct fte_version *version = fte->versions[index];
2562 struct ofputil_flow_mod fm;
2565 minimatch_expand(&fte->rule.match, &fm.match);
2566 fm.priority = fte->rule.priority;
2567 fm.cookie = htonll(0);
2568 fm.cookie_mask = htonll(0);
2569 fm.new_cookie = version->cookie;
2570 fm.modify_cookie = true;
2572 fm.command = command;
2573 fm.idle_timeout = version->idle_timeout;
2574 fm.hard_timeout = version->hard_timeout;
2575 fm.importance = version->importance;
2576 fm.buffer_id = UINT32_MAX;
2577 fm.out_port = OFPP_ANY;
2578 fm.flags = version->flags;
2579 if (command == OFPFC_ADD || command == OFPFC_MODIFY ||
2580 command == OFPFC_MODIFY_STRICT) {
2581 fm.ofpacts = version->ofpacts;
2582 fm.ofpacts_len = version->ofpacts_len;
2587 fm.delete_reason = OFPRR_DELETE;
2589 ofm = ofputil_encode_flow_mod(&fm, protocol);
2590 list_push_back(packets, &ofm->list_node);
2594 ofctl_replace_flows(int argc OVS_UNUSED, char *argv[])
2596 enum { FILE_IDX = 0, SWITCH_IDX = 1 };
2597 enum ofputil_protocol usable_protocols, protocol;
2598 struct classifier cls;
2599 struct ovs_list requests;
2600 struct vconn *vconn;
2603 classifier_init(&cls, NULL);
2604 usable_protocols = read_flows_from_file(argv[2], &cls, FILE_IDX);
2606 protocol = open_vconn(argv[1], &vconn);
2607 protocol = set_protocol_for_flow_dump(vconn, protocol, usable_protocols);
2609 read_flows_from_switch(vconn, protocol, &cls, SWITCH_IDX);
2611 list_init(&requests);
2613 /* Delete flows that exist on the switch but not in the file. */
2614 CLS_FOR_EACH (fte, rule, &cls) {
2615 struct fte_version *file_ver = fte->versions[FILE_IDX];
2616 struct fte_version *sw_ver = fte->versions[SWITCH_IDX];
2618 if (sw_ver && !file_ver) {
2619 fte_make_flow_mod(fte, SWITCH_IDX, OFPFC_DELETE_STRICT,
2620 protocol, &requests);
2624 /* Add flows that exist in the file but not on the switch.
2625 * Update flows that exist in both places but differ. */
2626 CLS_FOR_EACH (fte, rule, &cls) {
2627 struct fte_version *file_ver = fte->versions[FILE_IDX];
2628 struct fte_version *sw_ver = fte->versions[SWITCH_IDX];
2631 && (readd || !sw_ver || !fte_version_equals(sw_ver, file_ver))) {
2632 fte_make_flow_mod(fte, FILE_IDX, OFPFC_ADD, protocol, &requests);
2635 transact_multiple_noreply(vconn, &requests);
2642 read_flows_from_source(const char *source, struct classifier *cls, int index)
2646 if (source[0] == '/' || source[0] == '.'
2647 || (!strchr(source, ':') && !stat(source, &s))) {
2648 read_flows_from_file(source, cls, index);
2650 enum ofputil_protocol protocol;
2651 struct vconn *vconn;
2653 protocol = open_vconn(source, &vconn);
2654 protocol = set_protocol_for_flow_dump(vconn, protocol, OFPUTIL_P_ANY);
2655 read_flows_from_switch(vconn, protocol, cls, index);
2661 ofctl_diff_flows(int argc OVS_UNUSED, char *argv[])
2663 bool differences = false;
2664 struct classifier cls;
2668 classifier_init(&cls, NULL);
2669 read_flows_from_source(argv[1], &cls, 0);
2670 read_flows_from_source(argv[2], &cls, 1);
2675 CLS_FOR_EACH (fte, rule, &cls) {
2676 struct fte_version *a = fte->versions[0];
2677 struct fte_version *b = fte->versions[1];
2679 if (!a || !b || !fte_version_equals(a, b)) {
2680 fte_version_format(fte, 0, &a_s);
2681 fte_version_format(fte, 1, &b_s);
2682 if (strcmp(ds_cstr(&a_s), ds_cstr(&b_s))) {
2684 printf("-%s", ds_cstr(&a_s));
2687 printf("+%s", ds_cstr(&b_s));
2705 ofctl_meter_mod__(const char *bridge, const char *str, int command)
2707 struct ofputil_meter_mod mm;
2708 struct vconn *vconn;
2709 enum ofputil_protocol protocol;
2710 enum ofputil_protocol usable_protocols;
2711 enum ofp_version version;
2715 error = parse_ofp_meter_mod_str(&mm, str, command, &usable_protocols);
2717 ovs_fatal(0, "%s", error);
2720 usable_protocols = OFPUTIL_P_OF13_UP;
2721 mm.command = command;
2722 mm.meter.meter_id = OFPM13_ALL;
2725 protocol = open_vconn_for_flow_mod(bridge, &vconn, usable_protocols);
2726 version = ofputil_protocol_to_ofp_version(protocol);
2727 transact_noreply(vconn, ofputil_encode_meter_mod(version, &mm));
2732 ofctl_meter_request__(const char *bridge, const char *str,
2733 enum ofputil_meter_request_type type)
2735 struct ofputil_meter_mod mm;
2736 struct vconn *vconn;
2737 enum ofputil_protocol usable_protocols;
2738 enum ofputil_protocol protocol;
2739 enum ofp_version version;
2743 error = parse_ofp_meter_mod_str(&mm, str, -1, &usable_protocols);
2745 ovs_fatal(0, "%s", error);
2748 usable_protocols = OFPUTIL_P_OF13_UP;
2749 mm.meter.meter_id = OFPM13_ALL;
2752 protocol = open_vconn_for_flow_mod(bridge, &vconn, usable_protocols);
2753 version = ofputil_protocol_to_ofp_version(protocol);
2754 transact_noreply(vconn, ofputil_encode_meter_request(version,
2756 mm.meter.meter_id));
2762 ofctl_add_meter(int argc OVS_UNUSED, char *argv[])
2764 ofctl_meter_mod__(argv[1], argv[2], OFPMC13_ADD);
2768 ofctl_mod_meter(int argc OVS_UNUSED, char *argv[])
2770 ofctl_meter_mod__(argv[1], argv[2], OFPMC13_MODIFY);
2774 ofctl_del_meters(int argc, char *argv[])
2776 ofctl_meter_mod__(argv[1], argc > 2 ? argv[2] : NULL, OFPMC13_DELETE);
2780 ofctl_dump_meters(int argc, char *argv[])
2782 ofctl_meter_request__(argv[1], argc > 2 ? argv[2] : NULL,
2783 OFPUTIL_METER_CONFIG);
2787 ofctl_meter_stats(int argc, char *argv[])
2789 ofctl_meter_request__(argv[1], argc > 2 ? argv[2] : NULL,
2790 OFPUTIL_METER_STATS);
2794 ofctl_meter_features(int argc OVS_UNUSED, char *argv[])
2796 ofctl_meter_request__(argv[1], NULL, OFPUTIL_METER_FEATURES);
2800 /* Undocumented commands for unit testing. */
2803 ofctl_parse_flows__(struct ofputil_flow_mod *fms, size_t n_fms,
2804 enum ofputil_protocol usable_protocols)
2806 enum ofputil_protocol protocol = 0;
2810 usable_s = ofputil_protocols_to_string(usable_protocols);
2811 printf("usable protocols: %s\n", usable_s);
2814 if (!(usable_protocols & allowed_protocols)) {
2815 ovs_fatal(0, "no usable protocol");
2817 for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) {
2819 if (protocol & usable_protocols & allowed_protocols) {
2823 ovs_assert(is_pow2(protocol));
2825 printf("chosen protocol: %s\n", ofputil_protocol_to_string(protocol));
2827 for (i = 0; i < n_fms; i++) {
2828 struct ofputil_flow_mod *fm = &fms[i];
2831 msg = ofputil_encode_flow_mod(fm, protocol);
2832 ofp_print(stdout, msg->data, msg->size, verbosity);
2835 free(CONST_CAST(struct ofpact *, fm->ofpacts));
2839 /* "parse-flow FLOW": parses the argument as a flow (like add-flow) and prints
2840 * it back to stdout. */
2842 ofctl_parse_flow(int argc OVS_UNUSED, char *argv[])
2844 enum ofputil_protocol usable_protocols;
2845 struct ofputil_flow_mod fm;
2848 error = parse_ofp_flow_mod_str(&fm, argv[1], OFPFC_ADD, &usable_protocols);
2850 ovs_fatal(0, "%s", error);
2852 ofctl_parse_flows__(&fm, 1, usable_protocols);
2855 /* "parse-flows FILENAME": reads the named file as a sequence of flows (like
2856 * add-flows) and prints each of the flows back to stdout. */
2858 ofctl_parse_flows(int argc OVS_UNUSED, char *argv[])
2860 enum ofputil_protocol usable_protocols;
2861 struct ofputil_flow_mod *fms = NULL;
2865 error = parse_ofp_flow_mod_file(argv[1], OFPFC_ADD, &fms, &n_fms,
2868 ovs_fatal(0, "%s", error);
2870 ofctl_parse_flows__(fms, n_fms, usable_protocols);
2875 ofctl_parse_nxm__(bool oxm, enum ofp_version version)
2880 while (!ds_get_test_line(&in, stdin)) {
2881 struct ofpbuf nx_match;
2883 ovs_be64 cookie, cookie_mask;
2887 /* Convert string to nx_match. */
2888 ofpbuf_init(&nx_match, 0);
2890 match_len = oxm_match_from_string(ds_cstr(&in), &nx_match);
2892 match_len = nx_match_from_string(ds_cstr(&in), &nx_match);
2895 /* Convert nx_match to match. */
2898 error = oxm_pull_match(&nx_match, &match);
2900 error = nx_pull_match(&nx_match, match_len, &match,
2901 &cookie, &cookie_mask);
2905 error = oxm_pull_match_loose(&nx_match, &match);
2907 error = nx_pull_match_loose(&nx_match, match_len, &match,
2908 &cookie, &cookie_mask);
2916 /* Convert match back to nx_match. */
2917 ofpbuf_uninit(&nx_match);
2918 ofpbuf_init(&nx_match, 0);
2920 match_len = oxm_put_match(&nx_match, &match, version);
2921 out = oxm_match_to_string(&nx_match, match_len);
2923 match_len = nx_put_match(&nx_match, &match,
2924 cookie, cookie_mask);
2925 out = nx_match_to_string(nx_match.data, match_len);
2931 if (verbosity > 0) {
2932 ovs_hex_dump(stdout, nx_match.data, nx_match.size, 0, false);
2935 printf("nx_pull_match() returned error %s\n",
2936 ofperr_get_name(error));
2939 ofpbuf_uninit(&nx_match);
2944 /* "parse-nxm": reads a series of NXM nx_match specifications as strings from
2945 * stdin, does some internal fussing with them, and then prints them back as
2946 * strings on stdout. */
2948 ofctl_parse_nxm(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
2950 ofctl_parse_nxm__(false, 0);
2953 /* "parse-oxm VERSION": reads a series of OXM nx_match specifications as
2954 * strings from stdin, does some internal fussing with them, and then prints
2955 * them back as strings on stdout. VERSION must specify an OpenFlow version,
2956 * e.g. "OpenFlow12". */
2958 ofctl_parse_oxm(int argc OVS_UNUSED, char *argv[])
2960 enum ofp_version version = ofputil_version_from_string(argv[1]);
2961 if (version < OFP12_VERSION) {
2962 ovs_fatal(0, "%s: not a valid version for OXM", argv[1]);
2965 ofctl_parse_nxm__(true, version);
2969 print_differences(const char *prefix,
2970 const void *a_, size_t a_len,
2971 const void *b_, size_t b_len)
2973 const uint8_t *a = a_;
2974 const uint8_t *b = b_;
2977 for (i = 0; i < MIN(a_len, b_len); i++) {
2979 printf("%s%2"PRIuSIZE": %02"PRIx8" -> %02"PRIx8"\n",
2980 prefix, i, a[i], b[i]);
2983 for (i = a_len; i < b_len; i++) {
2984 printf("%s%2"PRIuSIZE": (none) -> %02"PRIx8"\n", prefix, i, b[i]);
2986 for (i = b_len; i < a_len; i++) {
2987 printf("%s%2"PRIuSIZE": %02"PRIx8" -> (none)\n", prefix, i, a[i]);
2992 ofctl_parse_actions__(const char *version_s, bool instructions)
2994 enum ofp_version version;
2997 version = ofputil_version_from_string(version_s);
2999 ovs_fatal(0, "%s: not a valid OpenFlow version", version_s);
3003 while (!ds_get_preprocessed_line(&in, stdin, NULL)) {
3004 struct ofpbuf of_out;
3005 struct ofpbuf of_in;
3006 struct ofpbuf ofpacts;
3007 const char *table_id;
3013 /* Parse table_id separated with the follow-up actions by ",", if
3015 actions = ds_cstr(&in);
3017 if (strstr(actions, ",")) {
3018 table_id = strsep(&actions, ",");
3021 /* Parse hex bytes. */
3022 ofpbuf_init(&of_in, 0);
3023 if (ofpbuf_put_hex(&of_in, actions, NULL)[0] != '\0') {
3024 ovs_fatal(0, "Trailing garbage in hex data");
3027 /* Convert to ofpacts. */
3028 ofpbuf_init(&ofpacts, 0);
3030 error = (instructions
3031 ? ofpacts_pull_openflow_instructions
3032 : ofpacts_pull_openflow_actions)(
3033 &of_in, of_in.size, version, &ofpacts);
3034 if (!error && instructions) {
3035 /* Verify actions, enforce consistency. */
3036 enum ofputil_protocol protocol;
3039 memset(&flow, 0, sizeof flow);
3040 protocol = ofputil_protocols_from_ofp_version(version);
3041 error = ofpacts_check_consistency(ofpacts.data, ofpacts.size,
3043 table_id ? atoi(table_id) : 0,
3047 printf("bad %s %s: %s\n\n",
3048 version_s, instructions ? "instructions" : "actions",
3049 ofperr_get_name(error));
3050 ofpbuf_uninit(&ofpacts);
3051 ofpbuf_uninit(&of_in);
3054 ofpbuf_push_uninit(&of_in, size);
3056 /* Print cls_rule. */
3058 ds_put_cstr(&s, "actions=");
3059 ofpacts_format(ofpacts.data, ofpacts.size, &s);
3063 /* Convert back to ofp10 actions and print differences from input. */
3064 ofpbuf_init(&of_out, 0);
3066 ofpacts_put_openflow_instructions(ofpacts.data, ofpacts.size,
3069 ofpacts_put_openflow_actions(ofpacts.data, ofpacts.size,
3073 print_differences("", of_in.data, of_in.size,
3074 of_out.data, of_out.size);
3077 ofpbuf_uninit(&ofpacts);
3078 ofpbuf_uninit(&of_in);
3079 ofpbuf_uninit(&of_out);
3084 /* "parse-actions VERSION": reads a series of action specifications for the
3085 * given OpenFlow VERSION as hex bytes from stdin, converts them to ofpacts,
3086 * prints them as strings on stdout, and then converts them back to hex bytes
3087 * and prints any differences from the input. */
3089 ofctl_parse_actions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
3091 ofctl_parse_actions__(argv[1], false);
3094 /* "parse-actions VERSION": reads a series of instruction specifications for
3095 * the given OpenFlow VERSION as hex bytes from stdin, converts them to
3096 * ofpacts, prints them as strings on stdout, and then converts them back to
3097 * hex bytes and prints any differences from the input. */
3099 ofctl_parse_instructions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
3101 ofctl_parse_actions__(argv[1], true);
3104 /* "parse-ofp10-match": reads a series of ofp10_match specifications as hex
3105 * bytes from stdin, converts them to cls_rules, prints them as strings on
3106 * stdout, and then converts them back to hex bytes and prints any differences
3109 * The input hex bytes may contain "x"s to represent "don't-cares", bytes whose
3110 * values are ignored in the input and will be set to zero when OVS converts
3111 * them back to hex bytes. ovs-ofctl actually sets "x"s to random bits when
3112 * it does the conversion to hex, to ensure that in fact they are ignored. */
3114 ofctl_parse_ofp10_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
3121 while (!ds_get_preprocessed_line(&in, stdin, NULL)) {
3122 struct ofpbuf match_in, match_expout;
3123 struct ofp10_match match_out;
3124 struct ofp10_match match_normal;
3128 /* Parse hex bytes to use for expected output. */
3130 ds_put_cstr(&expout, ds_cstr(&in));
3131 for (p = ds_cstr(&expout); *p; p++) {
3136 ofpbuf_init(&match_expout, 0);
3137 if (ofpbuf_put_hex(&match_expout, ds_cstr(&expout), NULL)[0] != '\0') {
3138 ovs_fatal(0, "Trailing garbage in hex data");
3140 if (match_expout.size != sizeof(struct ofp10_match)) {
3141 ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE,
3142 match_expout.size, sizeof(struct ofp10_match));
3145 /* Parse hex bytes for input. */
3146 for (p = ds_cstr(&in); *p; p++) {
3148 *p = "0123456789abcdef"[random_uint32() & 0xf];
3151 ofpbuf_init(&match_in, 0);
3152 if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') {
3153 ovs_fatal(0, "Trailing garbage in hex data");
3155 if (match_in.size != sizeof(struct ofp10_match)) {
3156 ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE,
3157 match_in.size, sizeof(struct ofp10_match));
3160 /* Convert to cls_rule and print. */
3161 ofputil_match_from_ofp10_match(match_in.data, &match);
3162 match_print(&match);
3164 /* Convert back to ofp10_match and print differences from input. */
3165 ofputil_match_to_ofp10_match(&match, &match_out);
3166 print_differences("", match_expout.data, match_expout.size,
3167 &match_out, sizeof match_out);
3169 /* Normalize, then convert and compare again. */
3170 ofputil_normalize_match(&match);
3171 ofputil_match_to_ofp10_match(&match, &match_normal);
3172 print_differences("normal: ", &match_out, sizeof match_out,
3173 &match_normal, sizeof match_normal);
3176 ofpbuf_uninit(&match_in);
3177 ofpbuf_uninit(&match_expout);
3180 ds_destroy(&expout);
3183 /* "parse-ofp11-match": reads a series of ofp11_match specifications as hex
3184 * bytes from stdin, converts them to "struct match"es, prints them as strings
3185 * on stdout, and then converts them back to hex bytes and prints any
3186 * differences from the input. */
3188 ofctl_parse_ofp11_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
3193 while (!ds_get_preprocessed_line(&in, stdin, NULL)) {
3194 struct ofpbuf match_in;
3195 struct ofp11_match match_out;
3199 /* Parse hex bytes. */
3200 ofpbuf_init(&match_in, 0);
3201 if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') {
3202 ovs_fatal(0, "Trailing garbage in hex data");
3204 if (match_in.size != sizeof(struct ofp11_match)) {
3205 ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE,
3206 match_in.size, sizeof(struct ofp11_match));
3209 /* Convert to match. */
3210 error = ofputil_match_from_ofp11_match(match_in.data, &match);
3212 printf("bad ofp11_match: %s\n\n", ofperr_get_name(error));
3213 ofpbuf_uninit(&match_in);
3218 match_print(&match);
3220 /* Convert back to ofp11_match and print differences from input. */
3221 ofputil_match_to_ofp11_match(&match, &match_out);
3223 print_differences("", match_in.data, match_in.size,
3224 &match_out, sizeof match_out);
3227 ofpbuf_uninit(&match_in);
3232 /* "parse-pcap PCAP": read packets from PCAP and print their flows. */
3234 ofctl_parse_pcap(int argc OVS_UNUSED, char *argv[])
3238 pcap = ovs_pcap_open(argv[1], "rb");
3240 ovs_fatal(errno, "%s: open failed", argv[1]);
3244 struct dp_packet *packet;
3248 error = ovs_pcap_read(pcap, &packet, NULL);
3252 ovs_fatal(error, "%s: read failed", argv[1]);
3255 packet->md = PKT_METADATA_INITIALIZER(ODPP_NONE);
3256 flow_extract(packet, &flow);
3257 flow_print(stdout, &flow);
3259 dp_packet_delete(packet);
3263 /* "check-vlan VLAN_TCI VLAN_TCI_MASK": converts the specified vlan_tci and
3264 * mask values to and from various formats and prints the results. */
3266 ofctl_check_vlan(int argc OVS_UNUSED, char *argv[])
3271 struct ofputil_flow_mod fm;
3274 struct match nxm_match;
3278 struct ofp10_match of10_raw;
3279 struct match of10_match;
3281 struct ofp11_match of11_raw;
3282 struct match of11_match;
3287 enum ofputil_protocol usable_protocols; /* Unused for now. */
3289 match_init_catchall(&match);
3290 match.flow.vlan_tci = htons(strtoul(argv[1], NULL, 16));
3291 match.wc.masks.vlan_tci = htons(strtoul(argv[2], NULL, 16));
3293 /* Convert to and from string. */
3294 string_s = match_to_string(&match, OFP_DEFAULT_PRIORITY);
3295 printf("%s -> ", string_s);
3297 error_s = parse_ofp_str(&fm, -1, string_s, &usable_protocols);
3299 ovs_fatal(0, "%s", error_s);
3301 printf("%04"PRIx16"/%04"PRIx16"\n",
3302 ntohs(fm.match.flow.vlan_tci),
3303 ntohs(fm.match.wc.masks.vlan_tci));
3306 /* Convert to and from NXM. */
3307 ofpbuf_init(&nxm, 0);
3308 nxm_match_len = nx_put_match(&nxm, &match, htonll(0), htonll(0));
3309 nxm_s = nx_match_to_string(nxm.data, nxm_match_len);
3310 error = nx_pull_match(&nxm, nxm_match_len, &nxm_match, NULL, NULL);
3311 printf("NXM: %s -> ", nxm_s);
3313 printf("%s\n", ofperr_to_string(error));
3315 printf("%04"PRIx16"/%04"PRIx16"\n",
3316 ntohs(nxm_match.flow.vlan_tci),
3317 ntohs(nxm_match.wc.masks.vlan_tci));
3320 ofpbuf_uninit(&nxm);
3322 /* Convert to and from OXM. */
3323 ofpbuf_init(&nxm, 0);
3324 nxm_match_len = oxm_put_match(&nxm, &match, OFP12_VERSION);
3325 nxm_s = oxm_match_to_string(&nxm, nxm_match_len);
3326 error = oxm_pull_match(&nxm, &nxm_match);
3327 printf("OXM: %s -> ", nxm_s);
3329 printf("%s\n", ofperr_to_string(error));
3331 uint16_t vid = ntohs(nxm_match.flow.vlan_tci) &
3332 (VLAN_VID_MASK | VLAN_CFI);
3333 uint16_t mask = ntohs(nxm_match.wc.masks.vlan_tci) &
3334 (VLAN_VID_MASK | VLAN_CFI);
3336 printf("%04"PRIx16"/%04"PRIx16",", vid, mask);
3337 if (vid && vlan_tci_to_pcp(nxm_match.wc.masks.vlan_tci)) {
3338 printf("%02"PRIx8"\n", vlan_tci_to_pcp(nxm_match.flow.vlan_tci));
3344 ofpbuf_uninit(&nxm);
3346 /* Convert to and from OpenFlow 1.0. */
3347 ofputil_match_to_ofp10_match(&match, &of10_raw);
3348 ofputil_match_from_ofp10_match(&of10_raw, &of10_match);
3349 printf("OF1.0: %04"PRIx16"/%d,%02"PRIx8"/%d -> %04"PRIx16"/%04"PRIx16"\n",
3350 ntohs(of10_raw.dl_vlan),
3351 (of10_raw.wildcards & htonl(OFPFW10_DL_VLAN)) != 0,
3352 of10_raw.dl_vlan_pcp,
3353 (of10_raw.wildcards & htonl(OFPFW10_DL_VLAN_PCP)) != 0,
3354 ntohs(of10_match.flow.vlan_tci),
3355 ntohs(of10_match.wc.masks.vlan_tci));
3357 /* Convert to and from OpenFlow 1.1. */
3358 ofputil_match_to_ofp11_match(&match, &of11_raw);
3359 ofputil_match_from_ofp11_match(&of11_raw, &of11_match);
3360 printf("OF1.1: %04"PRIx16"/%d,%02"PRIx8"/%d -> %04"PRIx16"/%04"PRIx16"\n",
3361 ntohs(of11_raw.dl_vlan),
3362 (of11_raw.wildcards & htonl(OFPFW11_DL_VLAN)) != 0,
3363 of11_raw.dl_vlan_pcp,
3364 (of11_raw.wildcards & htonl(OFPFW11_DL_VLAN_PCP)) != 0,
3365 ntohs(of11_match.flow.vlan_tci),
3366 ntohs(of11_match.wc.masks.vlan_tci));
3369 /* "print-error ENUM": Prints the type and code of ENUM for every OpenFlow
3372 ofctl_print_error(int argc OVS_UNUSED, char *argv[])
3377 error = ofperr_from_name(argv[1]);
3379 ovs_fatal(0, "unknown error \"%s\"", argv[1]);
3382 for (version = 0; version <= UINT8_MAX; version++) {
3383 const char *name = ofperr_domain_get_name(version);
3385 int vendor = ofperr_get_vendor(error, version);
3386 int type = ofperr_get_type(error, version);
3387 int code = ofperr_get_code(error, version);
3389 if (vendor != -1 || type != -1 || code != -1) {
3390 printf("%s: vendor %#x, type %d, code %d\n",
3391 name, vendor, type, code);
3397 /* "encode-error-reply ENUM REQUEST": Encodes an error reply to REQUEST for the
3398 * error named ENUM and prints the error reply in hex. */
3400 ofctl_encode_error_reply(int argc OVS_UNUSED, char *argv[])
3402 const struct ofp_header *oh;
3403 struct ofpbuf request, *reply;
3406 error = ofperr_from_name(argv[1]);
3408 ovs_fatal(0, "unknown error \"%s\"", argv[1]);
3411 ofpbuf_init(&request, 0);
3412 if (ofpbuf_put_hex(&request, argv[2], NULL)[0] != '\0') {
3413 ovs_fatal(0, "Trailing garbage in hex data");
3415 if (request.size < sizeof(struct ofp_header)) {
3416 ovs_fatal(0, "Request too short");
3420 if (request.size != ntohs(oh->length)) {
3421 ovs_fatal(0, "Request size inconsistent");
3424 reply = ofperr_encode_reply(error, request.data);
3425 ofpbuf_uninit(&request);
3427 ovs_hex_dump(stdout, reply->data, reply->size, 0, false);
3428 ofpbuf_delete(reply);
3431 /* "ofp-print HEXSTRING [VERBOSITY]": Converts the hex digits in HEXSTRING into
3432 * binary data, interpreting them as an OpenFlow message, and prints the
3433 * OpenFlow message on stdout, at VERBOSITY (level 2 by default).
3435 * Alternative usage: "ofp-print [VERBOSITY] - < HEXSTRING_FILE", where
3436 * HEXSTRING_FILE contains the HEXSTRING. */
3438 ofctl_ofp_print(int argc, char *argv[])
3440 struct ofpbuf packet;
3447 if (!strcmp(argv[argc-1], "-")) {
3448 if (ds_get_line(&line, stdin)) {
3449 VLOG_FATAL("Failed to read stdin");
3452 buffer = line.string;
3453 verbosity = argc > 2 ? atoi(argv[1]) : verbosity;
3454 } else if (argc > 2) {
3456 verbosity = atoi(argv[2]);
3461 ofpbuf_init(&packet, strlen(buffer) / 2);
3462 if (ofpbuf_put_hex(&packet, buffer, NULL)[0] != '\0') {
3463 ovs_fatal(0, "trailing garbage following hex bytes");
3465 ofp_print(stdout, packet.data, packet.size, verbosity);
3466 ofpbuf_uninit(&packet);
3470 /* "encode-hello BITMAP...": Encodes each BITMAP as an OpenFlow hello message
3471 * and dumps each message in hex. */
3473 ofctl_encode_hello(int argc OVS_UNUSED, char *argv[])
3475 uint32_t bitmap = strtol(argv[1], NULL, 0);
3476 struct ofpbuf *hello;
3478 hello = ofputil_encode_hello(bitmap);
3479 ovs_hex_dump(stdout, hello->data, hello->size, 0, false);
3480 ofp_print(stdout, hello->data, hello->size, verbosity);
3481 ofpbuf_delete(hello);
3484 static const struct ovs_cmdl_command all_commands[] = {
3487 { "monitor", "switch [misslen] [invalid_ttl] [watch:[...]]",
3488 1, 3, ofctl_monitor },
3489 { "snoop", "switch",
3490 1, 1, ofctl_snoop },
3491 { "dump-desc", "switch",
3492 1, 1, ofctl_dump_desc },
3493 { "dump-tables", "switch",
3494 1, 1, ofctl_dump_tables },
3495 { "dump-table-features", "switch",
3496 1, 1, ofctl_dump_table_features },
3497 { "dump-flows", "switch",
3498 1, 2, ofctl_dump_flows },
3499 { "dump-aggregate", "switch",
3500 1, 2, ofctl_dump_aggregate },
3501 { "queue-stats", "switch [port [queue]]",
3502 1, 3, ofctl_queue_stats },
3503 { "queue-get-config", "switch port",
3504 2, 2, ofctl_queue_get_config },
3505 { "add-flow", "switch flow",
3506 2, 2, ofctl_add_flow },
3507 { "add-flows", "switch file",
3508 2, 2, ofctl_add_flows },
3509 { "mod-flows", "switch flow",
3510 2, 2, ofctl_mod_flows },
3511 { "del-flows", "switch [flow]",
3512 1, 2, ofctl_del_flows },
3513 { "replace-flows", "switch file",
3514 2, 2, ofctl_replace_flows },
3515 { "diff-flows", "source1 source2",
3516 2, 2, ofctl_diff_flows },
3517 { "add-meter", "switch meter",
3518 2, 2, ofctl_add_meter },
3519 { "mod-meter", "switch meter",
3520 2, 2, ofctl_mod_meter },
3521 { "del-meter", "switch meter",
3522 2, 2, ofctl_del_meters },
3523 { "del-meters", "switch",
3524 1, 1, ofctl_del_meters },
3525 { "dump-meter", "switch meter",
3526 2, 2, ofctl_dump_meters },
3527 { "dump-meters", "switch",
3528 1, 1, ofctl_dump_meters },
3529 { "meter-stats", "switch [meter]",
3530 1, 2, ofctl_meter_stats },
3531 { "meter-features", "switch",
3532 1, 1, ofctl_meter_features },
3533 { "packet-out", "switch in_port actions packet...",
3534 4, INT_MAX, ofctl_packet_out },
3535 { "dump-ports", "switch [port]",
3536 1, 2, ofctl_dump_ports },
3537 { "dump-ports-desc", "switch [port]",
3538 1, 2, ofctl_dump_ports_desc },
3539 { "mod-port", "switch iface act",
3540 3, 3, ofctl_mod_port },
3541 { "mod-table", "switch mod",
3542 3, 3, ofctl_mod_table },
3543 { "get-frags", "switch",
3544 1, 1, ofctl_get_frags },
3545 { "set-frags", "switch frag_mode",
3546 2, 2, ofctl_set_frags },
3547 { "probe", "target",
3548 1, 1, ofctl_probe },
3549 { "ping", "target [n]",
3551 { "benchmark", "target n count",
3552 3, 3, ofctl_benchmark },
3554 { "ofp-parse", "file",
3555 1, 1, ofctl_ofp_parse },
3556 { "ofp-parse-pcap", "pcap",
3557 1, INT_MAX, ofctl_ofp_parse_pcap },
3559 { "add-group", "switch group",
3560 1, 2, ofctl_add_group },
3561 { "add-groups", "switch file",
3562 1, 2, ofctl_add_groups },
3563 { "mod-group", "switch group",
3564 1, 2, ofctl_mod_group },
3565 { "del-groups", "switch [group]",
3566 1, 2, ofctl_del_groups },
3567 { "insert-buckets", "switch [group]",
3568 1, 2, ofctl_insert_bucket },
3569 { "remove-buckets", "switch [group]",
3570 1, 2, ofctl_remove_bucket },
3571 { "dump-groups", "switch [group]",
3572 1, 2, ofctl_dump_group_desc },
3573 { "dump-group-stats", "switch [group]",
3574 1, 2, ofctl_dump_group_stats },
3575 { "dump-group-features", "switch",
3576 1, 1, ofctl_dump_group_features },
3577 { "help", NULL, 0, INT_MAX, ofctl_help },
3578 { "list-commands", NULL, 0, INT_MAX, ofctl_list_commands },
3580 /* Undocumented commands for testing. */
3581 { "parse-flow", NULL, 1, 1, ofctl_parse_flow },
3582 { "parse-flows", NULL, 1, 1, ofctl_parse_flows },
3583 { "parse-nx-match", NULL, 0, 0, ofctl_parse_nxm },
3584 { "parse-nxm", NULL, 0, 0, ofctl_parse_nxm },
3585 { "parse-oxm", NULL, 1, 1, ofctl_parse_oxm },
3586 { "parse-actions", NULL, 1, 1, ofctl_parse_actions },
3587 { "parse-instructions", NULL, 1, 1, ofctl_parse_instructions },
3588 { "parse-ofp10-match", NULL, 0, 0, ofctl_parse_ofp10_match },
3589 { "parse-ofp11-match", NULL, 0, 0, ofctl_parse_ofp11_match },
3590 { "parse-pcap", NULL, 1, 1, ofctl_parse_pcap },
3591 { "check-vlan", NULL, 2, 2, ofctl_check_vlan },
3592 { "print-error", NULL, 1, 1, ofctl_print_error },
3593 { "encode-error-reply", NULL, 2, 2, ofctl_encode_error_reply },
3594 { "ofp-print", NULL, 1, 2, ofctl_ofp_print },
3595 { "encode-hello", NULL, 1, 1, ofctl_encode_hello },
3597 { NULL, NULL, 0, 0, NULL },
3600 static const struct ovs_cmdl_command *get_all_commands(void)
3602 return all_commands;