2 * Copyright (c) 2008, 2009, 2010 Nicira Networks.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #include <arpa/inet.h>
23 #include <netinet/in.h>
32 #include "command-line.h"
36 #include "dynamic-string.h"
40 #include "ofp-print.h"
42 #include "openflow/nicira-ext.h"
43 #include "openflow/openflow.h"
46 #include "socket-util.h"
47 #include "stream-ssl.h"
54 #define THIS_MODULE VLM_ofctl
56 #define DEFAULT_IDLE_TIMEOUT 60
58 #define MOD_PORT_CMD_UP "up"
59 #define MOD_PORT_CMD_DOWN "down"
60 #define MOD_PORT_CMD_FLOOD "flood"
61 #define MOD_PORT_CMD_NOFLOOD "noflood"
63 /* Use strict matching for flow mod commands? */
66 static const struct command all_commands[];
68 static void usage(void) NO_RETURN;
69 static void parse_options(int argc, char *argv[]);
72 main(int argc, char *argv[])
74 set_program_name(argv[0]);
77 parse_options(argc, argv);
78 signal(SIGPIPE, SIG_IGN);
79 run_command(argc - optind, argv + optind, all_commands);
84 parse_options(int argc, char *argv[])
87 OPT_STRICT = UCHAR_MAX + 1,
90 static struct option long_options[] = {
91 {"timeout", required_argument, 0, 't'},
92 {"strict", no_argument, 0, OPT_STRICT},
93 {"help", no_argument, 0, 'h'},
94 {"version", no_argument, 0, 'V'},
96 STREAM_SSL_LONG_OPTIONS
99 char *short_options = long_options_to_short_options(long_options);
102 unsigned long int timeout;
105 c = getopt_long(argc, argv, short_options, long_options, NULL);
112 timeout = strtoul(optarg, NULL, 10);
114 ovs_fatal(0, "value %s on -t or --timeout is not at least 1",
125 OVS_PRINT_VERSION(OFP_VERSION, OFP_VERSION);
133 STREAM_SSL_OPTION_HANDLERS
148 printf("%s: OpenFlow switch management utility\n"
149 "usage: %s [OPTIONS] COMMAND [ARG...]\n"
150 "\nFor OpenFlow switches:\n"
151 " show SWITCH show OpenFlow information\n"
152 " status SWITCH [KEY] report statistics (about KEY)\n"
153 " dump-desc SWITCH print switch description\n"
154 " dump-tables SWITCH print table stats\n"
155 " mod-port SWITCH IFACE ACT modify port behavior\n"
156 " dump-ports SWITCH print port statistics\n"
157 " dump-flows SWITCH print all flow entries\n"
158 " dump-flows SWITCH FLOW print matching FLOWs\n"
159 " dump-aggregate SWITCH print aggregate flow statistics\n"
160 " dump-aggregate SWITCH FLOW print aggregate stats for FLOWs\n"
161 " add-flow SWITCH FLOW add flow described by FLOW\n"
162 " add-flows SWITCH FILE add flows from FILE\n"
163 " mod-flows SWITCH FLOW modify actions of matching FLOWs\n"
164 " del-flows SWITCH [FLOW] delete matching FLOWs\n"
165 " monitor SWITCH MISSLEN EXP print packets received from SWITCH\n"
166 "\nFor OpenFlow switches and controllers:\n"
167 " probe VCONN probe whether VCONN is up\n"
168 " ping VCONN [N] latency of N-byte echos\n"
169 " benchmark VCONN N COUNT bandwidth of COUNT N-byte echos\n"
170 "where each SWITCH is an active OpenFlow connection method.\n",
171 program_name, program_name);
172 vconn_usage(true, false, false);
174 printf("\nOther options:\n"
175 " --strict use strict match for flow commands\n"
176 " -t, --timeout=SECS give up after SECS seconds\n"
177 " -h, --help display this help message\n"
178 " -V, --version display version information\n");
182 static void run(int retval, const char *message, ...)
185 static void run(int retval, const char *message, ...)
190 fprintf(stderr, "%s: ", program_name);
191 va_start(args, message);
192 vfprintf(stderr, message, args);
195 fputs(": unexpected end of file\n", stderr);
197 fprintf(stderr, ": %s\n", strerror(retval));
204 /* Generic commands. */
207 open_vconn_socket(const char *name, struct vconn **vconnp)
209 char *vconn_name = xasprintf("unix:%s", name);
210 VLOG_INFO("connecting to %s", vconn_name);
211 run(vconn_open_block(vconn_name, OFP_VERSION, vconnp),
212 "connecting to %s", vconn_name);
217 open_vconn(const char *name, struct vconn **vconnp)
221 char *bridge_path, *datapath_name, *datapath_type;
223 bridge_path = xasprintf("%s/%s.mgmt", ovs_rundir, name);
224 dp_parse_name(name, &datapath_name, &datapath_type);
226 if (strstr(name, ":")) {
227 run(vconn_open_block(name, OFP_VERSION, vconnp),
228 "connecting to %s", name);
229 } else if (!stat(name, &s) && S_ISSOCK(s.st_mode)) {
230 open_vconn_socket(name, vconnp);
231 } else if (!stat(bridge_path, &s) && S_ISSOCK(s.st_mode)) {
232 open_vconn_socket(bridge_path, vconnp);
233 } else if (!dpif_open(datapath_name, datapath_type, &dpif)) {
234 char dpif_name[IF_NAMESIZE + 1];
237 run(dpif_port_get_name(dpif, ODPP_LOCAL, dpif_name, sizeof dpif_name),
238 "obtaining name of %s", dpif_name);
240 if (strcmp(dpif_name, name)) {
241 VLOG_INFO("datapath %s is named %s", name, dpif_name);
244 socket_name = xasprintf("%s/%s.mgmt", ovs_rundir, dpif_name);
245 if (stat(socket_name, &s)) {
246 ovs_fatal(errno, "cannot connect to %s: stat failed on %s",
248 } else if (!S_ISSOCK(s.st_mode)) {
249 ovs_fatal(0, "cannot connect to %s: %s is not a socket",
253 open_vconn_socket(socket_name, vconnp);
256 ovs_fatal(0, "%s is not a valid connection method", name);
265 alloc_stats_request(size_t body_len, uint16_t type, struct ofpbuf **bufferp)
267 struct ofp_stats_request *rq;
268 rq = make_openflow((offsetof(struct ofp_stats_request, body)
269 + body_len), OFPT_STATS_REQUEST, bufferp);
270 rq->type = htons(type);
271 rq->flags = htons(0);
276 send_openflow_buffer(struct vconn *vconn, struct ofpbuf *buffer)
278 update_openflow_length(buffer);
279 run(vconn_send_block(vconn, buffer), "failed to send packet to switch");
283 dump_transaction(const char *vconn_name, struct ofpbuf *request)
286 struct ofpbuf *reply;
288 update_openflow_length(request);
289 open_vconn(vconn_name, &vconn);
290 run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name);
291 ofp_print(stdout, reply->data, reply->size, 1);
296 dump_trivial_transaction(const char *vconn_name, uint8_t request_type)
298 struct ofpbuf *request;
299 make_openflow(sizeof(struct ofp_header), request_type, &request);
300 dump_transaction(vconn_name, request);
304 dump_stats_transaction(const char *vconn_name, struct ofpbuf *request)
306 uint32_t send_xid = ((struct ofp_header *) request->data)->xid;
310 open_vconn(vconn_name, &vconn);
311 send_openflow_buffer(vconn, request);
314 struct ofpbuf *reply;
316 run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed");
317 recv_xid = ((struct ofp_header *) reply->data)->xid;
318 if (send_xid == recv_xid) {
319 struct ofp_stats_reply *osr;
321 ofp_print(stdout, reply->data, reply->size, 1);
323 osr = ofpbuf_at(reply, 0, sizeof *osr);
324 done = !osr || !(ntohs(osr->flags) & OFPSF_REPLY_MORE);
326 VLOG_DBG("received reply with xid %08"PRIx32" "
327 "!= expected %08"PRIx32, recv_xid, send_xid);
329 ofpbuf_delete(reply);
335 dump_trivial_stats_transaction(const char *vconn_name, uint8_t stats_type)
337 struct ofpbuf *request;
338 alloc_stats_request(0, stats_type, &request);
339 dump_stats_transaction(vconn_name, request);
343 do_show(int argc OVS_UNUSED, char *argv[])
345 dump_trivial_transaction(argv[1], OFPT_FEATURES_REQUEST);
346 dump_trivial_transaction(argv[1], OFPT_GET_CONFIG_REQUEST);
350 do_status(int argc, char *argv[])
352 struct nicira_header *request, *reply;
356 request = make_openflow(sizeof *request, OFPT_VENDOR, &b);
357 request->vendor = htonl(NX_VENDOR_ID);
358 request->subtype = htonl(NXT_STATUS_REQUEST);
360 ofpbuf_put(b, argv[2], strlen(argv[2]));
361 update_openflow_length(b);
363 open_vconn(argv[1], &vconn);
364 run(vconn_transact(vconn, b, &b), "talking to %s", argv[1]);
367 if (b->size < sizeof *reply) {
368 ovs_fatal(0, "short reply (%zu bytes)", b->size);
371 if (reply->header.type != OFPT_VENDOR
372 || reply->vendor != ntohl(NX_VENDOR_ID)
373 || reply->subtype != ntohl(NXT_STATUS_REPLY)) {
374 ofp_print(stderr, b->data, b->size, 2);
375 ovs_fatal(0, "bad reply");
378 fwrite(reply + 1, b->size - sizeof *reply, 1, stdout);
382 do_dump_desc(int argc OVS_UNUSED, char *argv[])
384 dump_trivial_stats_transaction(argv[1], OFPST_DESC);
388 do_dump_tables(int argc OVS_UNUSED, char *argv[])
390 dump_trivial_stats_transaction(argv[1], OFPST_TABLE);
395 str_to_u32(const char *str)
401 value = strtoul(str, &tail, 0);
402 if (errno == EINVAL || errno == ERANGE || *tail) {
403 ovs_fatal(0, "invalid numeric format %s", str);
409 str_to_mac(const char *str, uint8_t mac[6])
411 if (sscanf(str, ETH_ADDR_SCAN_FMT, ETH_ADDR_SCAN_ARGS(mac))
412 != ETH_ADDR_SCAN_COUNT) {
413 ovs_fatal(0, "invalid mac address %s", str);
418 str_to_ip(const char *str_, uint32_t *ip)
420 char *str = xstrdup(str_);
421 char *save_ptr = NULL;
422 const char *name, *netmask;
423 struct in_addr in_addr;
426 name = strtok_r(str, "/", &save_ptr);
427 retval = name ? lookup_ip(name, &in_addr) : EINVAL;
429 ovs_fatal(0, "%s: could not convert to IP address", str);
431 *ip = in_addr.s_addr;
433 netmask = strtok_r(NULL, "/", &save_ptr);
436 if (sscanf(netmask, "%"SCNu8".%"SCNu8".%"SCNu8".%"SCNu8,
437 &o[0], &o[1], &o[2], &o[3]) == 4) {
438 uint32_t nm = (o[0] << 24) | (o[1] << 16) | (o[2] << 8) | o[3];
441 /* Find first 1-bit. */
442 for (i = 0; i < 32; i++) {
443 if (nm & (1u << i)) {
449 /* Verify that the rest of the bits are 1-bits. */
450 for (; i < 32; i++) {
451 if (!(nm & (1u << i))) {
452 ovs_fatal(0, "%s: %s is not a valid netmask",
457 int prefix = atoi(netmask);
458 if (prefix <= 0 || prefix > 32) {
459 ovs_fatal(0, "%s: network prefix bits not between 1 and 32",
462 n_wild = 32 - prefix;
473 put_action(struct ofpbuf *b, size_t size, uint16_t type)
475 struct ofp_action_header *ah = ofpbuf_put_zeros(b, size);
476 ah->type = htons(type);
477 ah->len = htons(size);
481 static struct ofp_action_output *
482 put_output_action(struct ofpbuf *b, uint16_t port)
484 struct ofp_action_output *oao = put_action(b, sizeof *oao, OFPAT_OUTPUT);
485 oao->port = htons(port);
490 put_dl_addr_action(struct ofpbuf *b, uint16_t type, const char *addr)
492 struct ofp_action_dl_addr *oada = put_action(b, sizeof *oada, type);
493 str_to_mac(addr, oada->dl_addr);
498 parse_port_name(const char *name, uint16_t *port)
504 static const struct pair pairs[] = {
505 #define DEF_PAIR(NAME) {#NAME, OFPP_##NAME}
511 DEF_PAIR(CONTROLLER),
516 static const int n_pairs = ARRAY_SIZE(pairs);
519 for (i = 0; i < n_pairs; i++) {
520 if (!strcasecmp(name, pairs[i].name)) {
521 *port = pairs[i].value;
529 str_to_action(char *str, struct ofpbuf *b)
532 char *saveptr = NULL;
536 for (act = strtok_r(str, ", \t\r\n", &saveptr), n_actions = 0; act;
537 act = strtok_r(NULL, ", \t\r\n", &saveptr), n_actions++)
542 ovs_fatal(0, "Drop actions must not be followed by other actions");
545 /* Arguments are separated by colons */
546 arg = strchr(act, ':');
552 if (!strcasecmp(act, "mod_vlan_vid")) {
553 struct ofp_action_vlan_vid *va;
554 va = put_action(b, sizeof *va, OFPAT_SET_VLAN_VID);
555 va->vlan_vid = htons(str_to_u32(arg));
556 } else if (!strcasecmp(act, "mod_vlan_pcp")) {
557 struct ofp_action_vlan_pcp *va;
558 va = put_action(b, sizeof *va, OFPAT_SET_VLAN_PCP);
559 va->vlan_pcp = str_to_u32(arg);
560 } else if (!strcasecmp(act, "strip_vlan")) {
561 struct ofp_action_header *ah;
562 ah = put_action(b, sizeof *ah, OFPAT_STRIP_VLAN);
563 ah->type = htons(OFPAT_STRIP_VLAN);
564 } else if (!strcasecmp(act, "mod_dl_src")) {
565 put_dl_addr_action(b, OFPAT_SET_DL_SRC, arg);
566 } else if (!strcasecmp(act, "mod_dl_dst")) {
567 put_dl_addr_action(b, OFPAT_SET_DL_DST, arg);
568 } else if (!strcasecmp(act, "mod_nw_src")) {
569 struct ofp_action_nw_addr *na;
570 na = put_action(b, sizeof *na, OFPAT_SET_NW_SRC);
571 str_to_ip(arg, &na->nw_addr);
572 } else if (!strcasecmp(act, "mod_nw_dst")) {
573 struct ofp_action_nw_addr *na;
574 na = put_action(b, sizeof *na, OFPAT_SET_NW_DST);
575 str_to_ip(arg, &na->nw_addr);
576 } else if (!strcasecmp(act, "mod_tp_src")) {
577 struct ofp_action_tp_port *ta;
578 ta = put_action(b, sizeof *ta, OFPAT_SET_TP_SRC);
579 ta->tp_port = htons(str_to_u32(arg));
580 } else if (!strcasecmp(act, "mod_tp_dst")) {
581 struct ofp_action_tp_port *ta;
582 ta = put_action(b, sizeof *ta, OFPAT_SET_TP_DST);
583 ta->tp_port = htons(str_to_u32(arg));
584 } else if (!strcasecmp(act, "mod_nw_tos")) {
585 struct ofp_action_nw_tos *nt;
586 nt = put_action(b, sizeof *nt, OFPAT_SET_NW_TOS);
587 nt->nw_tos = str_to_u32(arg);
588 } else if (!strcasecmp(act, "output")) {
589 put_output_action(b, str_to_u32(arg));
590 } else if (!strcasecmp(act, "drop")) {
591 /* A drop action in OpenFlow occurs by just not setting
595 ovs_fatal(0, "Drop actions must not be preceded by other "
598 } else if (!strcasecmp(act, "CONTROLLER")) {
599 struct ofp_action_output *oao;
600 oao = put_output_action(b, OFPP_CONTROLLER);
602 /* Unless a numeric argument is specified, we send the whole
603 * packet to the controller. */
604 if (arg && (strspn(act, "0123456789") == strlen(act))) {
605 oao->max_len = htons(str_to_u32(arg));
607 oao->max_len = htons(UINT16_MAX);
609 } else if (parse_port_name(act, &port)) {
610 put_output_action(b, port);
611 } else if (strspn(act, "0123456789") == strlen(act)) {
612 put_output_action(b, str_to_u32(act));
614 ovs_fatal(0, "Unknown action: %s", act);
626 parse_protocol(const char *name, const struct protocol **p_out)
628 static const struct protocol protocols[] = {
629 { "ip", ETH_TYPE_IP, 0 },
630 { "arp", ETH_TYPE_ARP, 0 },
631 { "icmp", ETH_TYPE_IP, IP_TYPE_ICMP },
632 { "tcp", ETH_TYPE_IP, IP_TYPE_TCP },
633 { "udp", ETH_TYPE_IP, IP_TYPE_UDP },
635 const struct protocol *p;
637 for (p = protocols; p < &protocols[ARRAY_SIZE(protocols)]; p++) {
638 if (!strcmp(p->name, name)) {
650 enum { F_U8, F_U16, F_MAC, F_IP } type;
651 size_t offset, shift;
655 parse_field(const char *name, const struct field **f_out)
657 #define F_OFS(MEMBER) offsetof(struct ofp_match, MEMBER)
658 static const struct field fields[] = {
659 { "in_port", OFPFW_IN_PORT, F_U16, F_OFS(in_port), 0 },
660 { "dl_vlan", OFPFW_DL_VLAN, F_U16, F_OFS(dl_vlan), 0 },
661 { "dl_vlan_pcp", OFPFW_DL_VLAN_PCP, F_U8, F_OFS(dl_vlan_pcp), 0 },
662 { "dl_src", OFPFW_DL_SRC, F_MAC, F_OFS(dl_src), 0 },
663 { "dl_dst", OFPFW_DL_DST, F_MAC, F_OFS(dl_dst), 0 },
664 { "dl_type", OFPFW_DL_TYPE, F_U16, F_OFS(dl_type), 0 },
665 { "nw_src", OFPFW_NW_SRC_MASK, F_IP,
666 F_OFS(nw_src), OFPFW_NW_SRC_SHIFT },
667 { "nw_dst", OFPFW_NW_DST_MASK, F_IP,
668 F_OFS(nw_dst), OFPFW_NW_DST_SHIFT },
669 { "nw_proto", OFPFW_NW_PROTO, F_U8, F_OFS(nw_proto), 0 },
670 { "tp_src", OFPFW_TP_SRC, F_U16, F_OFS(tp_src), 0 },
671 { "tp_dst", OFPFW_TP_DST, F_U16, F_OFS(tp_dst), 0 },
672 { "icmp_type", OFPFW_ICMP_TYPE, F_U16, F_OFS(icmp_type), 0 },
673 { "icmp_code", OFPFW_ICMP_CODE, F_U16, F_OFS(icmp_code), 0 }
675 const struct field *f;
677 for (f = fields; f < &fields[ARRAY_SIZE(fields)]; f++) {
678 if (!strcmp(f->name, name)) {
688 str_to_flow(char *string, struct ofp_match *match, struct ofpbuf *actions,
689 uint8_t *table_idx, uint16_t *out_port, uint16_t *priority,
690 uint16_t *idle_timeout, uint16_t *hard_timeout,
693 char *save_ptr = NULL;
701 *out_port = OFPP_NONE;
704 *priority = OFP_DEFAULT_PRIORITY;
707 *idle_timeout = DEFAULT_IDLE_TIMEOUT;
710 *hard_timeout = OFP_FLOW_PERMANENT;
716 char *act_str = strstr(string, "action");
718 ovs_fatal(0, "must specify an action");
722 act_str = strchr(act_str, '=');
724 ovs_fatal(0, "must specify an action");
729 str_to_action(act_str, actions);
731 memset(match, 0, sizeof *match);
732 wildcards = OFPFW_ALL;
733 for (name = strtok_r(string, "=, \t\r\n", &save_ptr); name;
734 name = strtok_r(NULL, "=, \t\r\n", &save_ptr)) {
735 const struct protocol *p;
737 if (parse_protocol(name, &p)) {
738 wildcards &= ~OFPFW_DL_TYPE;
739 match->dl_type = htons(p->dl_type);
741 wildcards &= ~OFPFW_NW_PROTO;
742 match->nw_proto = p->nw_proto;
745 const struct field *f;
748 value = strtok_r(NULL, ", \t\r\n", &save_ptr);
750 ovs_fatal(0, "field %s missing value", name);
753 if (table_idx && !strcmp(name, "table")) {
754 *table_idx = atoi(value);
755 } else if (out_port && !strcmp(name, "out_port")) {
756 *out_port = atoi(value);
757 } else if (priority && !strcmp(name, "priority")) {
758 *priority = atoi(value);
759 } else if (idle_timeout && !strcmp(name, "idle_timeout")) {
760 *idle_timeout = atoi(value);
761 } else if (hard_timeout && !strcmp(name, "hard_timeout")) {
762 *hard_timeout = atoi(value);
763 } else if (cookie && !strcmp(name, "cookie")) {
764 *cookie = atoi(value);
765 } else if (parse_field(name, &f)) {
766 void *data = (char *) match + f->offset;
767 if (!strcmp(value, "*") || !strcmp(value, "ANY")) {
768 wildcards |= f->wildcard;
770 wildcards &= ~f->wildcard;
771 if (f->wildcard == OFPFW_IN_PORT
772 && parse_port_name(value, (uint16_t *) data)) {
774 } else if (f->type == F_U8) {
775 *(uint8_t *) data = str_to_u32(value);
776 } else if (f->type == F_U16) {
777 *(uint16_t *) data = htons(str_to_u32(value));
778 } else if (f->type == F_MAC) {
779 str_to_mac(value, data);
780 } else if (f->type == F_IP) {
781 wildcards |= str_to_ip(value, data) << f->shift;
787 ovs_fatal(0, "unknown keyword %s", name);
791 match->wildcards = htonl(wildcards);
795 do_dump_flows(int argc, char *argv[])
797 struct ofp_flow_stats_request *req;
799 struct ofpbuf *request;
801 req = alloc_stats_request(sizeof *req, OFPST_FLOW, &request);
802 str_to_flow(argc > 2 ? argv[2] : "", &req->match, NULL,
803 &req->table_id, &out_port, NULL, NULL, NULL, NULL);
804 memset(&req->pad, 0, sizeof req->pad);
805 req->out_port = htons(out_port);
807 dump_stats_transaction(argv[1], request);
811 do_dump_aggregate(int argc, char *argv[])
813 struct ofp_aggregate_stats_request *req;
814 struct ofpbuf *request;
817 req = alloc_stats_request(sizeof *req, OFPST_AGGREGATE, &request);
818 str_to_flow(argc > 2 ? argv[2] : "", &req->match, NULL,
819 &req->table_id, &out_port, NULL, NULL, NULL, NULL);
820 memset(&req->pad, 0, sizeof req->pad);
821 req->out_port = htons(out_port);
823 dump_stats_transaction(argv[1], request);
827 do_add_flow(int argc OVS_UNUSED, char *argv[])
830 struct ofpbuf *buffer;
831 struct ofp_flow_mod *ofm;
832 uint16_t priority, idle_timeout, hard_timeout;
834 struct ofp_match match;
836 /* Parse and send. str_to_flow() will expand and reallocate the data in
837 * 'buffer', so we can't keep pointers to across the str_to_flow() call. */
838 make_openflow(sizeof *ofm, OFPT_FLOW_MOD, &buffer);
839 str_to_flow(argv[2], &match, buffer,
840 NULL, NULL, &priority, &idle_timeout, &hard_timeout,
844 ofm->command = htons(OFPFC_ADD);
845 ofm->cookie = htonll(cookie);
846 ofm->idle_timeout = htons(idle_timeout);
847 ofm->hard_timeout = htons(hard_timeout);
848 ofm->buffer_id = htonl(UINT32_MAX);
849 ofm->priority = htons(priority);
851 open_vconn(argv[1], &vconn);
852 send_openflow_buffer(vconn, buffer);
857 do_add_flows(int argc OVS_UNUSED, char *argv[])
863 file = fopen(argv[2], "r");
865 ovs_fatal(errno, "%s: open", argv[2]);
868 open_vconn(argv[1], &vconn);
869 while (fgets(line, sizeof line, file)) {
870 struct ofpbuf *buffer;
871 struct ofp_flow_mod *ofm;
872 uint16_t priority, idle_timeout, hard_timeout;
874 struct ofp_match match;
878 /* Delete comments. */
879 comment = strchr(line, '#');
884 /* Drop empty lines. */
885 if (line[strspn(line, " \t\n")] == '\0') {
889 /* Parse and send. str_to_flow() will expand and reallocate the data
890 * in 'buffer', so we can't keep pointers to across the str_to_flow()
892 make_openflow(sizeof *ofm, OFPT_FLOW_MOD, &buffer);
893 str_to_flow(line, &match, buffer,
894 NULL, NULL, &priority, &idle_timeout, &hard_timeout,
898 ofm->command = htons(OFPFC_ADD);
899 ofm->cookie = htonll(cookie);
900 ofm->idle_timeout = htons(idle_timeout);
901 ofm->hard_timeout = htons(hard_timeout);
902 ofm->buffer_id = htonl(UINT32_MAX);
903 ofm->priority = htons(priority);
905 send_openflow_buffer(vconn, buffer);
912 do_mod_flows(int argc OVS_UNUSED, char *argv[])
914 uint16_t priority, idle_timeout, hard_timeout;
917 struct ofpbuf *buffer;
918 struct ofp_flow_mod *ofm;
919 struct ofp_match match;
921 /* Parse and send. str_to_flow() will expand and reallocate the data in
922 * 'buffer', so we can't keep pointers to across the str_to_flow() call. */
923 make_openflow(sizeof *ofm, OFPT_FLOW_MOD, &buffer);
924 str_to_flow(argv[2], &match, buffer,
925 NULL, NULL, &priority, &idle_timeout, &hard_timeout,
930 ofm->command = htons(OFPFC_MODIFY_STRICT);
932 ofm->command = htons(OFPFC_MODIFY);
934 ofm->idle_timeout = htons(idle_timeout);
935 ofm->hard_timeout = htons(hard_timeout);
936 ofm->cookie = htonll(cookie);
937 ofm->buffer_id = htonl(UINT32_MAX);
938 ofm->priority = htons(priority);
940 open_vconn(argv[1], &vconn);
941 send_openflow_buffer(vconn, buffer);
945 static void do_del_flows(int argc, char *argv[])
950 struct ofpbuf *buffer;
951 struct ofp_flow_mod *ofm;
953 /* Parse and send. */
954 ofm = make_openflow(sizeof *ofm, OFPT_FLOW_MOD, &buffer);
955 str_to_flow(argc > 2 ? argv[2] : "", &ofm->match, NULL, NULL,
956 &out_port, &priority, NULL, NULL, NULL);
958 ofm->command = htons(OFPFC_DELETE_STRICT);
960 ofm->command = htons(OFPFC_DELETE);
962 ofm->idle_timeout = htons(0);
963 ofm->hard_timeout = htons(0);
964 ofm->buffer_id = htonl(UINT32_MAX);
965 ofm->out_port = htons(out_port);
966 ofm->priority = htons(priority);
968 open_vconn(argv[1], &vconn);
969 send_openflow_buffer(vconn, buffer);
974 do_monitor(int argc OVS_UNUSED, char *argv[])
978 open_vconn(argv[1], &vconn);
980 int miss_send_len = atoi(argv[2]);
981 struct ofp_switch_config *osc;
984 osc = make_openflow(sizeof *osc, OFPT_SET_CONFIG, &buf);
985 osc->miss_send_len = htons(miss_send_len);
986 send_openflow_buffer(vconn, buf);
990 run(vconn_recv_block(vconn, &b), "vconn_recv");
991 ofp_print(stderr, b->data, b->size, 2);
997 do_dump_ports(int argc OVS_UNUSED, char *argv[])
999 dump_trivial_stats_transaction(argv[1], OFPST_PORT);
1003 do_probe(int argc OVS_UNUSED, char *argv[])
1005 struct ofpbuf *request;
1006 struct vconn *vconn;
1007 struct ofpbuf *reply;
1009 make_openflow(sizeof(struct ofp_header), OFPT_ECHO_REQUEST, &request);
1010 open_vconn(argv[1], &vconn);
1011 run(vconn_transact(vconn, request, &reply), "talking to %s", argv[1]);
1012 if (reply->size != sizeof(struct ofp_header)) {
1013 ovs_fatal(0, "reply does not match request");
1015 ofpbuf_delete(reply);
1020 do_mod_port(int argc OVS_UNUSED, char *argv[])
1022 struct ofpbuf *request, *reply;
1023 struct ofp_switch_features *osf;
1024 struct ofp_port_mod *opm;
1025 struct vconn *vconn;
1032 /* Check if the argument is a port index. Otherwise, treat it as
1034 port_no = strtol(argv[2], &endptr, 10);
1035 if (port_no == 0 && endptr == argv[2]) {
1039 /* Send a "Features Request" to get the information we need in order
1040 * to modify the port. */
1041 make_openflow(sizeof(struct ofp_header), OFPT_FEATURES_REQUEST, &request);
1042 open_vconn(argv[1], &vconn);
1043 run(vconn_transact(vconn, request, &reply), "talking to %s", argv[1]);
1046 n_ports = (reply->size - sizeof *osf) / sizeof *osf->ports;
1048 for (port_idx = 0; port_idx < n_ports; port_idx++) {
1049 if (port_no != -1) {
1050 /* Check argument as a port index */
1051 if (osf->ports[port_idx].port_no == htons(port_no)) {
1055 /* Check argument as an interface name */
1056 if (!strncmp((char *)osf->ports[port_idx].name, argv[2],
1057 sizeof osf->ports[0].name)) {
1063 if (port_idx == n_ports) {
1064 ovs_fatal(0, "couldn't find monitored port: %s", argv[2]);
1067 opm = make_openflow(sizeof(struct ofp_port_mod), OFPT_PORT_MOD, &request);
1068 opm->port_no = osf->ports[port_idx].port_no;
1069 memcpy(opm->hw_addr, osf->ports[port_idx].hw_addr, sizeof opm->hw_addr);
1070 opm->config = htonl(0);
1071 opm->mask = htonl(0);
1072 opm->advertise = htonl(0);
1074 printf("modifying port: %s\n", osf->ports[port_idx].name);
1076 if (!strncasecmp(argv[3], MOD_PORT_CMD_UP, sizeof MOD_PORT_CMD_UP)) {
1077 opm->mask |= htonl(OFPPC_PORT_DOWN);
1078 } else if (!strncasecmp(argv[3], MOD_PORT_CMD_DOWN,
1079 sizeof MOD_PORT_CMD_DOWN)) {
1080 opm->mask |= htonl(OFPPC_PORT_DOWN);
1081 opm->config |= htonl(OFPPC_PORT_DOWN);
1082 } else if (!strncasecmp(argv[3], MOD_PORT_CMD_FLOOD,
1083 sizeof MOD_PORT_CMD_FLOOD)) {
1084 opm->mask |= htonl(OFPPC_NO_FLOOD);
1085 } else if (!strncasecmp(argv[3], MOD_PORT_CMD_NOFLOOD,
1086 sizeof MOD_PORT_CMD_NOFLOOD)) {
1087 opm->mask |= htonl(OFPPC_NO_FLOOD);
1088 opm->config |= htonl(OFPPC_NO_FLOOD);
1090 ovs_fatal(0, "unknown mod-port command '%s'", argv[3]);
1093 send_openflow_buffer(vconn, request);
1095 ofpbuf_delete(reply);
1100 do_ping(int argc, char *argv[])
1102 size_t max_payload = 65535 - sizeof(struct ofp_header);
1103 unsigned int payload;
1104 struct vconn *vconn;
1107 payload = argc > 2 ? atoi(argv[2]) : 64;
1108 if (payload > max_payload) {
1109 ovs_fatal(0, "payload must be between 0 and %zu bytes", max_payload);
1112 open_vconn(argv[1], &vconn);
1113 for (i = 0; i < 10; i++) {
1114 struct timeval start, end;
1115 struct ofpbuf *request, *reply;
1116 struct ofp_header *rq_hdr, *rpy_hdr;
1118 rq_hdr = make_openflow(sizeof(struct ofp_header) + payload,
1119 OFPT_ECHO_REQUEST, &request);
1120 random_bytes(rq_hdr + 1, payload);
1122 gettimeofday(&start, NULL);
1123 run(vconn_transact(vconn, ofpbuf_clone(request), &reply), "transact");
1124 gettimeofday(&end, NULL);
1126 rpy_hdr = reply->data;
1127 if (reply->size != request->size
1128 || memcmp(rpy_hdr + 1, rq_hdr + 1, payload)
1129 || rpy_hdr->xid != rq_hdr->xid
1130 || rpy_hdr->type != OFPT_ECHO_REPLY) {
1131 printf("Reply does not match request. Request:\n");
1132 ofp_print(stdout, request, request->size, 2);
1134 ofp_print(stdout, reply, reply->size, 2);
1136 printf("%zu bytes from %s: xid=%08"PRIx32" time=%.1f ms\n",
1137 reply->size - sizeof *rpy_hdr, argv[1], rpy_hdr->xid,
1138 (1000*(double)(end.tv_sec - start.tv_sec))
1139 + (.001*(end.tv_usec - start.tv_usec)));
1140 ofpbuf_delete(request);
1141 ofpbuf_delete(reply);
1147 do_benchmark(int argc OVS_UNUSED, char *argv[])
1149 size_t max_payload = 65535 - sizeof(struct ofp_header);
1150 struct timeval start, end;
1151 unsigned int payload_size, message_size;
1152 struct vconn *vconn;
1157 payload_size = atoi(argv[2]);
1158 if (payload_size > max_payload) {
1159 ovs_fatal(0, "payload must be between 0 and %zu bytes", max_payload);
1161 message_size = sizeof(struct ofp_header) + payload_size;
1163 count = atoi(argv[3]);
1165 printf("Sending %d packets * %u bytes (with header) = %u bytes total\n",
1166 count, message_size, count * message_size);
1168 open_vconn(argv[1], &vconn);
1169 gettimeofday(&start, NULL);
1170 for (i = 0; i < count; i++) {
1171 struct ofpbuf *request, *reply;
1172 struct ofp_header *rq_hdr;
1174 rq_hdr = make_openflow(message_size, OFPT_ECHO_REQUEST, &request);
1175 memset(rq_hdr + 1, 0, payload_size);
1176 run(vconn_transact(vconn, request, &reply), "transact");
1177 ofpbuf_delete(reply);
1179 gettimeofday(&end, NULL);
1182 duration = ((1000*(double)(end.tv_sec - start.tv_sec))
1183 + (.001*(end.tv_usec - start.tv_usec)));
1184 printf("Finished in %.1f ms (%.0f packets/s) (%.0f bytes/s)\n",
1185 duration, count / (duration / 1000.0),
1186 count * message_size / (duration / 1000.0));
1190 do_help(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
1195 static const struct command all_commands[] = {
1196 { "show", 1, 1, do_show },
1197 { "status", 1, 2, do_status },
1198 { "monitor", 1, 3, do_monitor },
1199 { "dump-desc", 1, 1, do_dump_desc },
1200 { "dump-tables", 1, 1, do_dump_tables },
1201 { "dump-flows", 1, 2, do_dump_flows },
1202 { "dump-aggregate", 1, 2, do_dump_aggregate },
1203 { "add-flow", 2, 2, do_add_flow },
1204 { "add-flows", 2, 2, do_add_flows },
1205 { "mod-flows", 2, 2, do_mod_flows },
1206 { "del-flows", 1, 2, do_del_flows },
1207 { "dump-ports", 1, 1, do_dump_ports },
1208 { "mod-port", 3, 3, do_mod_port },
1209 { "probe", 1, 1, do_probe },
1210 { "ping", 1, 2, do_ping },
1211 { "benchmark", 3, 3, do_benchmark },
1212 { "help", 0, INT_MAX, do_help },
1213 { NULL, 0, 0, NULL },