1 /* Copyright (c) 2008 The Board of Trustees of The Leland Stanford
4 * We are making the OpenFlow specification and associated documentation
5 * (Software) available for public use and benefit with the expectation
6 * that others will use, modify and enhance the Software and contribute
7 * those enhancements back to the community. However, since we would
8 * like to make the Software available for broadest use, with as few
9 * restrictions as possible permission is hereby granted, free of
10 * charge, to any person obtaining a copy of this Software to deal in
11 * the Software under the copyrights without restriction, including
12 * without limitation the rights to use, copy, modify, merge, publish,
13 * distribute, sublicense, and/or sell copies of the Software, and to
14 * permit persons to whom the Software is furnished to do so, subject to
15 * the following conditions:
17 * The above copyright notice and this permission notice shall be
18 * included in all copies or substantial portions of the Software.
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
24 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
25 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
26 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
29 * The name and trademarks of copyright holder(s) may NOT be used in
30 * advertising or publicity pertaining to the Software or any
31 * derivatives without specific, written prior permission.
37 #include <netinet/in.h>
44 #include "command-line.h"
50 #include "openflow-netlink.h"
53 #include "socket-util.h"
55 #include "ofp-print.h"
59 #include "vconn-ssl.h"
62 #define THIS_MODULE VLM_dpctl
64 #define DEFAULT_MAX_IDLE 60
65 #define MAX_ADD_ACTS 5
67 static const char* ifconfigbin = "/sbin/ifconfig";
73 void (*handler)(int argc, char *argv[]);
76 static struct command all_commands[];
78 static void usage(void) NO_RETURN;
79 static void parse_options(int argc, char *argv[]);
81 int main(int argc, char *argv[])
85 set_program_name(argv[0]);
87 parse_options(argc, argv);
92 fatal(0, "missing command name; use --help for help");
94 for (p = all_commands; p->name != NULL; p++) {
95 if (!strcmp(p->name, argv[0])) {
97 if (n_arg < p->min_args)
98 fatal(0, "'%s' command requires at least %d arguments",
99 p->name, p->min_args);
100 else if (n_arg > p->max_args)
101 fatal(0, "'%s' command takes at most %d arguments",
102 p->name, p->max_args);
104 p->handler(argc, argv);
109 fatal(0, "unknown command '%s'; use --help for help", argv[0]);
115 parse_options(int argc, char *argv[])
117 static struct option long_options[] = {
118 {"timeout", required_argument, 0, 't'},
119 {"verbose", optional_argument, 0, 'v'},
120 {"help", no_argument, 0, 'h'},
121 {"version", no_argument, 0, 'V'},
122 VCONN_SSL_LONG_OPTIONS
125 char *short_options = long_options_to_short_options(long_options);
128 unsigned long int timeout;
132 c = getopt_long(argc, argv, short_options, long_options, &indexptr);
139 timeout = strtoul(optarg, NULL, 10);
141 fatal(0, "value %s on -t or --timeout is not at least 1",
143 } else if (timeout < UINT_MAX) {
144 /* Add 1 because historical implementations allow an alarm to
145 * occur up to a second early. */
150 signal(SIGALRM, SIG_DFL);
157 printf("%s "VERSION" compiled "__DATE__" "__TIME__"\n", argv[0]);
161 vlog_set_verbosity(optarg);
164 VCONN_SSL_OPTION_HANDLERS
179 printf("%s: OpenFlow switch management utility\n"
180 "usage: %s [OPTIONS] COMMAND [ARG...]\n"
182 "\nFor local datapaths only:\n"
183 " adddp nl:DP_ID add a new local datapath DP_ID\n"
184 " deldp nl:DP_ID delete local datapath DP_ID\n"
185 " addif nl:DP_ID IFACE add IFACE as a port on DP_ID\n"
186 " delif nl:DP_ID IFACE delete IFACE as a port on DP_ID\n"
187 " monitor nl:DP_ID print packets received\n"
189 "\nFor local datapaths and remote switches:\n"
190 " show SWITCH show information\n"
191 " dump-tables SWITCH print table stats\n"
192 " dump-ports SWITCH print port statistics\n"
193 " dump-flows SWITCH print all flow entries\n"
194 " dump-flows SWITCH FLOW print matching FLOWs\n"
195 " dump-aggregate SWITCH print aggregate flow statistics\n"
196 " dump-aggregate SWITCH FLOW print aggregate stats for FLOWs\n"
197 " add-flow SWITCH FLOW add flow described by FLOW\n"
198 " add-flows SWITCH FILE add flows from FILE\n"
199 " del-flows SWITCH FLOW delete matching FLOWs\n"
200 "\nFor local datapaths, remote switches, and controllers:\n"
201 " probe VCONN probe whether VCONN is up\n"
202 " ping VCONN [N] latency of N-byte echos\n"
203 " benchmark VCONN N COUNT bandwidth of COUNT N-byte echos\n"
204 "where each SWITCH is an active OpenFlow connection method.\n",
205 program_name, program_name);
206 vconn_usage(true, false);
207 printf("\nOptions:\n"
208 " -t, --timeout=SECS give up after SECS seconds\n"
209 " -v, --verbose=MODULE:FACILITY:LEVEL configure logging levels\n"
210 " -v, --verbose set maximum verbosity level\n"
211 " -h, --help display this help message\n"
212 " -V, --version display version information\n");
216 static void run(int retval, const char *message, ...)
219 static void run(int retval, const char *message, ...)
224 fprintf(stderr, "%s: ", program_name);
225 va_start(args, message);
226 vfprintf(stderr, message, args);
229 fputs(": unexpected end of file\n", stderr);
231 fprintf(stderr, ": %s\n", strerror(retval));
239 /* Netlink-only commands. */
241 static int if_up(const char* intf)
244 snprintf(command, sizeof command, "%s %s up &> /dev/null",
246 return system(command);
249 static void open_nl_vconn(const char *name, bool subscribe, struct dpif *dpif)
251 if (strncmp(name, "nl:", 3)
253 || name[strspn(name + 3, "0123456789") + 3]) {
254 fatal(0, "%s: argument is not of the form \"nl:DP_ID\"", name);
256 run(dpif_open(atoi(name + 3), subscribe, dpif), "opening datapath");
259 static void do_add_dp(int argc UNUSED, char *argv[])
262 open_nl_vconn(argv[1], false, &dp);
263 run(dpif_add_dp(&dp), "add_dp");
267 static void do_del_dp(int argc UNUSED, char *argv[])
270 open_nl_vconn(argv[1], false, &dp);
271 run(dpif_del_dp(&dp), "del_dp");
275 static void do_add_port(int argc UNUSED, char *argv[])
279 open_nl_vconn(argv[1], false, &dp);
280 run(dpif_add_port(&dp, argv[2]), "add_port");
284 static void do_del_port(int argc UNUSED, char *argv[])
287 open_nl_vconn(argv[1], false, &dp);
288 run(dpif_del_port(&dp, argv[2]), "del_port");
292 static void do_monitor(int argc UNUSED, char *argv[])
295 open_nl_vconn(argv[1], true, &dp);
298 run(dpif_recv_openflow(&dp, &b, true), "dpif_recv_openflow");
299 ofp_print(stderr, b->data, b->size, 2);
303 #endif /* HAVE_NETLINK */
305 /* Generic commands. */
308 alloc_openflow_buffer(size_t openflow_len, uint8_t type,
309 struct buffer **bufferp)
311 struct buffer *buffer;
312 struct ofp_header *oh;
314 buffer = *bufferp = buffer_new(openflow_len);
315 oh = buffer_put_uninit(buffer, openflow_len);
316 memset(oh, 0, openflow_len);
317 oh->version = OFP_VERSION;
320 oh->xid = random_uint32();
325 alloc_stats_request(size_t body_len, uint16_t type, struct buffer **bufferp)
327 struct ofp_stats_request *rq;
328 rq = alloc_openflow_buffer((offsetof(struct ofp_stats_request, body)
329 + body_len), OFPT_STATS_REQUEST, bufferp);
330 rq->type = htons(type);
331 rq->flags = htons(0);
336 send_openflow_buffer(struct vconn *vconn, struct buffer *buffer)
338 struct ofp_header *oh;
340 oh = buffer_at_assert(buffer, 0, sizeof *oh);
341 oh->length = htons(buffer->size);
343 run(vconn_send_block(vconn, buffer), "failed to send packet to switch");
346 static struct buffer *
347 transact_openflow(struct vconn *vconn, struct buffer *request)
349 uint32_t send_xid = ((struct ofp_header *) request->data)->xid;
351 send_openflow_buffer(vconn, request);
354 struct buffer *reply;
356 run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed");
357 recv_xid = ((struct ofp_header *) reply->data)->xid;
358 if (send_xid == recv_xid) {
362 VLOG_DBG("received reply with xid %08"PRIx32" != expected %08"PRIx32,
364 buffer_delete(reply);
369 dump_transaction(const char *vconn_name, struct buffer *request)
372 struct buffer *reply;
374 run(vconn_open_block(vconn_name, &vconn), "connecting to %s", vconn_name);
375 reply = transact_openflow(vconn, request);
376 ofp_print(stdout, reply->data, reply->size, 1);
381 dump_trivial_transaction(const char *vconn_name, uint8_t request_type)
383 struct buffer *request;
384 alloc_openflow_buffer(sizeof(struct ofp_header), request_type, &request);
385 dump_transaction(vconn_name, request);
389 dump_stats_transaction(const char *vconn_name, struct buffer *request)
391 uint32_t send_xid = ((struct ofp_header *) request->data)->xid;
395 run(vconn_open_block(vconn_name, &vconn), "connecting to %s", vconn_name);
396 send_openflow_buffer(vconn, request);
399 struct buffer *reply;
401 run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed");
402 recv_xid = ((struct ofp_header *) reply->data)->xid;
403 if (send_xid == recv_xid) {
404 struct ofp_stats_reply *osr;
406 ofp_print(stdout, reply->data, reply->size, 1);
408 osr = buffer_at(reply, 0, sizeof *osr);
409 done = !osr || !(ntohs(osr->flags) & OFPSF_REPLY_MORE);
411 VLOG_DBG("received reply with xid %08"PRIx32" "
412 "!= expected %08"PRIx32, recv_xid, send_xid);
414 buffer_delete(reply);
420 dump_trivial_stats_transaction(const char *vconn_name, uint8_t stats_type)
422 struct buffer *request;
423 alloc_stats_request(0, stats_type, &request);
424 dump_stats_transaction(vconn_name, request);
428 do_show(int argc UNUSED, char *argv[])
430 dump_trivial_transaction(argv[1], OFPT_FEATURES_REQUEST);
431 dump_trivial_transaction(argv[1], OFPT_GET_CONFIG_REQUEST);
436 do_dump_tables(int argc, char *argv[])
438 dump_trivial_stats_transaction(argv[1], OFPST_TABLE);
443 str_to_int(const char *str)
446 if (sscanf(str, "%"SCNu32, &value) != 1) {
447 fatal(0, "invalid numeric format %s", str);
453 str_to_mac(const char *str, uint8_t mac[6])
455 if (sscanf(str, "%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8,
456 &mac[0], &mac[1], &mac[2], &mac[3], &mac[4], &mac[5]) != 6) {
457 fatal(0, "invalid mac address %s", str);
462 str_to_ip(const char *str, uint32_t *ip)
464 struct in_addr in_addr;
467 retval = lookup_ip(str, &in_addr);
469 fatal(0, "%s: could not convert to IP address", str);
471 *ip = in_addr.s_addr;
475 str_to_action(char *str, struct ofp_action *action, int *n_actions)
479 int max_actions = *n_actions;
481 char *saveptr = NULL;
483 memset(action, 0, sizeof(*action) * max_actions);
484 for (i=0, act = strtok_r(str, ", \t\r\n", &saveptr);
485 i<max_actions && act;
486 i++, act = strtok_r(NULL, ", \t\r\n", &saveptr))
490 /* Arguments are separated by colons */
491 arg = strchr(act, ':');
497 if (!strcasecmp(act, "mod_vlan")) {
498 action[i].type = htons(OFPAT_SET_DL_VLAN);
500 if (!strcasecmp(arg, "strip")) {
501 action[i].arg.vlan_id = htons(OFP_VLAN_NONE);
503 action[i].arg.vlan_id = htons(str_to_int(arg));
505 } else if (!strcasecmp(act, "output")) {
506 port = str_to_int(arg);
507 } else if (!strcasecmp(act, "TABLE")) {
509 } else if (!strcasecmp(act, "NORMAL")) {
511 } else if (!strcasecmp(act, "FLOOD")) {
513 } else if (!strcasecmp(act, "ALL")) {
515 } else if (!strcasecmp(act, "CONTROLLER")) {
516 port = OFPP_CONTROLLER;
518 if (!strcasecmp(arg, "all")) {
519 action[i].arg.output.max_len= htons(0);
521 action[i].arg.output.max_len= htons(str_to_int(arg));
524 } else if (!strcasecmp(act, "LOCAL")) {
526 } else if (strspn(act, "0123456789") == strlen(act)) {
527 port = str_to_int(act);
529 fatal(0, "Unknown action: %s", act);
532 if (port != OFPP_MAX) {
533 action[i].type = htons(OFPAT_OUTPUT);
534 action[i].arg.output.port = htons(port);
542 str_to_flow(char *string, struct ofp_match *match,
543 struct ofp_action *action, int *n_actions, uint8_t *table_idx,
544 uint16_t *priority, uint16_t *max_idle)
549 enum { F_U8, F_U16, F_MAC, F_IP } type;
553 #define F_OFS(MEMBER) offsetof(struct ofp_match, MEMBER)
554 static const struct field fields[] = {
555 { "in_port", OFPFW_IN_PORT, F_U16, F_OFS(in_port) },
556 { "dl_vlan", OFPFW_DL_VLAN, F_U16, F_OFS(dl_vlan) },
557 { "dl_src", OFPFW_DL_SRC, F_MAC, F_OFS(dl_src) },
558 { "dl_dst", OFPFW_DL_DST, F_MAC, F_OFS(dl_dst) },
559 { "dl_type", OFPFW_DL_TYPE, F_U16, F_OFS(dl_type) },
560 { "nw_src", OFPFW_NW_SRC, F_IP, F_OFS(nw_src) },
561 { "nw_dst", OFPFW_NW_DST, F_IP, F_OFS(nw_dst) },
562 { "nw_proto", OFPFW_NW_PROTO, F_U8, F_OFS(nw_proto) },
563 { "tp_src", OFPFW_TP_SRC, F_U16, F_OFS(tp_src) },
564 { "tp_dst", OFPFW_TP_DST, F_U16, F_OFS(tp_dst) },
575 *priority = OFP_DEFAULT_PRIORITY;
578 *max_idle = DEFAULT_MAX_IDLE;
581 act_str = strstr(string, "action");
583 fatal(0, "must specify an action");
587 act_str = strchr(act_str, '=');
589 fatal(0, "must specify an action");
594 str_to_action(act_str, action, n_actions);
596 memset(match, 0, sizeof *match);
597 wildcards = OFPFW_ALL;
598 for (name = strtok(string, "="), value = strtok(NULL, ", \t\r\n");
600 name = strtok(NULL, "="), value = strtok(NULL, ", \t\r\n"))
602 const struct field *f;
605 if (table_idx && !strcmp(name, "table")) {
606 *table_idx = atoi(value);
610 if (priority && !strcmp(name, "priority")) {
611 *priority = atoi(value);
615 if (max_idle && !strcmp(name, "max_idle")) {
616 *max_idle = atoi(value);
620 for (f = fields; f < &fields[ARRAY_SIZE(fields)]; f++) {
621 if (!strcmp(f->name, name)) {
625 fprintf(stderr, "%s: unknown field %s (fields are",
627 for (f = fields; f < &fields[ARRAY_SIZE(fields)]; f++) {
631 fprintf(stderr, " %s", f->name);
633 fprintf(stderr, ")\n");
637 data = (char *) match + f->offset;
638 if (!strcmp(value, "*") || !strcmp(value, "ANY")) {
639 wildcards |= f->wildcard;
641 wildcards &= ~f->wildcard;
642 if (f->type == F_U8) {
643 *(uint8_t *) data = str_to_int(value);
644 } else if (f->type == F_U16) {
645 *(uint16_t *) data = htons(str_to_int(value));
646 } else if (f->type == F_MAC) {
647 str_to_mac(value, data);
648 } else if (f->type == F_IP) {
649 str_to_ip(value, data);
655 if (name && !value) {
656 fatal(0, "field %s missing value", name);
658 match->wildcards = htons(wildcards);
661 static void do_dump_flows(int argc, char *argv[])
663 struct ofp_flow_stats_request *req;
664 struct buffer *request;
666 req = alloc_stats_request(sizeof *req, OFPST_FLOW, &request);
667 str_to_flow(argc > 2 ? argv[2] : "", &req->match, NULL, 0,
668 &req->table_id, NULL, NULL);
669 memset(req->pad, 0, sizeof req->pad);
671 dump_stats_transaction(argv[1], request);
674 static void do_dump_aggregate(int argc, char *argv[])
676 struct ofp_aggregate_stats_request *req;
677 struct buffer *request;
679 req = alloc_stats_request(sizeof *req, OFPST_AGGREGATE, &request);
680 str_to_flow(argc > 2 ? argv[2] : "", &req->match, NULL, 0,
681 &req->table_id, NULL, NULL);
682 memset(req->pad, 0, sizeof req->pad);
684 dump_stats_transaction(argv[1], request);
687 static void do_add_flow(int argc, char *argv[])
690 struct buffer *buffer;
691 struct ofp_flow_mod *ofm;
692 uint16_t priority, max_idle;
694 int n_actions = MAX_ADD_ACTS;
696 run(vconn_open_block(argv[1], &vconn), "connecting to %s", argv[1]);
698 /* Parse and send. */
699 size = sizeof *ofm + (sizeof ofm->actions[0] * MAX_ADD_ACTS);
700 ofm = alloc_openflow_buffer(size, OFPT_FLOW_MOD, &buffer);
701 str_to_flow(argv[2], &ofm->match, &ofm->actions[0], &n_actions,
702 NULL, &priority, &max_idle);
703 ofm->command = htons(OFPFC_ADD);
704 ofm->max_idle = htons(max_idle);
705 ofm->buffer_id = htonl(UINT32_MAX);
706 ofm->priority = htons(priority);
707 ofm->reserved = htonl(0);
709 /* xxx Should we use the buffer library? */
710 buffer->size -= (MAX_ADD_ACTS - n_actions) * sizeof ofm->actions[0];
712 send_openflow_buffer(vconn, buffer);
716 static void do_add_flows(int argc, char *argv[])
723 file = fopen(argv[2], "r");
725 fatal(errno, "%s: open", argv[2]);
728 run(vconn_open_block(argv[1], &vconn), "connecting to %s", argv[1]);
729 while (fgets(line, sizeof line, file)) {
730 struct buffer *buffer;
731 struct ofp_flow_mod *ofm;
732 uint16_t priority, max_idle;
734 int n_actions = MAX_ADD_ACTS;
738 /* Delete comments. */
739 comment = strchr(line, '#');
744 /* Drop empty lines. */
745 if (line[strspn(line, " \t\n")] == '\0') {
749 /* Parse and send. */
750 size = sizeof *ofm + (sizeof ofm->actions[0] * MAX_ADD_ACTS);
751 ofm = alloc_openflow_buffer(size, OFPT_FLOW_MOD, &buffer);
752 str_to_flow(line, &ofm->match, &ofm->actions[0], &n_actions,
753 NULL, &priority, &max_idle);
754 ofm->command = htons(OFPFC_ADD);
755 ofm->max_idle = htons(max_idle);
756 ofm->buffer_id = htonl(UINT32_MAX);
757 ofm->priority = htons(priority);
758 ofm->reserved = htonl(0);
760 /* xxx Should we use the buffer library? */
761 buffer->size -= (MAX_ADD_ACTS - n_actions) * sizeof ofm->actions[0];
763 send_openflow_buffer(vconn, buffer);
769 static void do_del_flows(int argc, char *argv[])
774 run(vconn_open_block(argv[1], &vconn), "connecting to %s", argv[1]);
775 struct buffer *buffer;
776 struct ofp_flow_mod *ofm;
780 /* Parse and send. */
782 ofm = alloc_openflow_buffer(size, OFPT_FLOW_MOD, &buffer);
783 str_to_flow(argc > 2 ? argv[2] : "", &ofm->match, NULL, 0, NULL,
785 ofm->command = htons(OFPFC_DELETE);
786 ofm->max_idle = htons(0);
787 ofm->buffer_id = htonl(UINT32_MAX);
788 ofm->priority = htons(priority);
789 ofm->reserved = htonl(0);
791 send_openflow_buffer(vconn, buffer);
797 do_dump_ports(int argc, char *argv[])
799 dump_trivial_stats_transaction(argv[1], OFPST_PORT);
803 do_probe(int argc, char *argv[])
805 struct buffer *request;
807 struct buffer *reply;
809 alloc_openflow_buffer(sizeof(struct ofp_header), OFPT_ECHO_REQUEST,
811 run(vconn_open_block(argv[1], &vconn), "connecting to %s", argv[1]);
812 reply = transact_openflow(vconn, request);
813 if (reply->size != request->size) {
814 fatal(0, "reply does not match request");
816 buffer_delete(reply);
821 do_ping(int argc, char *argv[])
823 size_t max_payload = 65535 - sizeof(struct ofp_header);
824 unsigned int payload;
828 payload = argc > 2 ? atoi(argv[2]) : 64;
829 if (payload > max_payload) {
830 fatal(0, "payload must be between 0 and %zu bytes", max_payload);
833 run(vconn_open_block(argv[1], &vconn), "connecting to %s", argv[1]);
834 for (i = 0; i < 10; i++) {
835 struct timeval start, end;
836 struct buffer *request, *reply;
837 struct ofp_header *rq_hdr, *rpy_hdr;
839 rq_hdr = alloc_openflow_buffer(sizeof(struct ofp_header) + payload,
840 OFPT_ECHO_REQUEST, &request);
841 random_bytes(rq_hdr + 1, payload);
843 gettimeofday(&start, NULL);
844 reply = transact_openflow(vconn, buffer_clone(request));
845 gettimeofday(&end, NULL);
847 rpy_hdr = reply->data;
848 if (reply->size != request->size
849 || memcmp(rpy_hdr + 1, rq_hdr + 1, payload)
850 || rpy_hdr->xid != rq_hdr->xid
851 || rpy_hdr->type != OFPT_ECHO_REPLY) {
852 printf("Reply does not match request. Request:\n");
853 ofp_print(stdout, request, request->size, 2);
855 ofp_print(stdout, reply, reply->size, 2);
857 printf("%d bytes from %s: xid=%08"PRIx32" time=%.1f ms\n",
858 reply->size - sizeof *rpy_hdr, argv[1], rpy_hdr->xid,
859 (1000*(double)(end.tv_sec - start.tv_sec))
860 + (.001*(end.tv_usec - start.tv_usec)));
861 buffer_delete(request);
862 buffer_delete(reply);
868 do_benchmark(int argc, char *argv[])
870 size_t max_payload = 65535 - sizeof(struct ofp_header);
871 struct timeval start, end;
872 unsigned int payload_size, message_size;
878 payload_size = atoi(argv[2]);
879 if (payload_size > max_payload) {
880 fatal(0, "payload must be between 0 and %zu bytes", max_payload);
882 message_size = sizeof(struct ofp_header) + payload_size;
884 count = atoi(argv[3]);
886 printf("Sending %d packets * %u bytes (with header) = %u bytes total\n",
887 count, message_size, count * message_size);
889 run(vconn_open_block(argv[1], &vconn), "connecting to %s", argv[1]);
890 gettimeofday(&start, NULL);
891 for (i = 0; i < count; i++) {
892 struct buffer *request;
893 struct ofp_header *rq_hdr;
895 rq_hdr = alloc_openflow_buffer(message_size, OFPT_ECHO_REQUEST,
897 memset(rq_hdr + 1, 0, payload_size);
898 buffer_delete(transact_openflow(vconn, request));
900 gettimeofday(&end, NULL);
903 duration = ((1000*(double)(end.tv_sec - start.tv_sec))
904 + (.001*(end.tv_usec - start.tv_usec)));
905 printf("Finished in %.1f ms (%.0f packets/s) (%.0f bytes/s)\n",
906 duration, count / (duration / 1000.0),
907 count * message_size / (duration / 1000.0));
910 static void do_help(int argc UNUSED, char *argv[] UNUSED)
915 static struct command all_commands[] = {
917 { "adddp", 1, 1, do_add_dp },
918 { "deldp", 1, 1, do_del_dp },
919 { "addif", 2, 2, do_add_port },
920 { "delif", 2, 2, do_del_port },
923 { "show", 1, 1, do_show },
925 { "help", 0, INT_MAX, do_help },
926 { "monitor", 1, 1, do_monitor },
927 { "dump-tables", 1, 1, do_dump_tables },
928 { "dump-flows", 1, 2, do_dump_flows },
929 { "dump-aggregate", 1, 2, do_dump_aggregate },
930 { "add-flow", 2, 2, do_add_flow },
931 { "add-flows", 2, 2, do_add_flows },
932 { "del-flows", 1, 2, do_del_flows },
933 { "dump-ports", 1, 1, do_dump_ports },
934 { "probe", 1, 1, do_probe },
935 { "ping", 1, 2, do_ping },
936 { "benchmark", 3, 3, do_benchmark },
937 { NULL, 0, 0, NULL },