2 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #include <arpa/inet.h>
21 #include <sys/socket.h>
23 #include <netinet/in.h>
29 #include "command-line.h"
34 #include "dynamic-string.h"
40 #include "ofp-parse.h"
51 typedef int dpctl_command_handler(int argc, const char *argv[],
52 struct dpctl_params *);
53 struct dpctl_command {
58 dpctl_command_handler *handler;
60 static const struct dpctl_command *get_all_dpctl_commands(void);
63 dpctl_puts(struct dpctl_params *dpctl_p, bool error, const char *string)
65 dpctl_p->output(dpctl_p->aux, error, string);
69 dpctl_print(struct dpctl_params *dpctl_p, const char *fmt, ...)
75 string = xvasprintf(fmt, args);
78 dpctl_puts(dpctl_p, false, string);
83 dpctl_error(struct dpctl_params* dpctl_p, int err_no, const char *fmt, ...)
85 const char *subprogram_name = get_subprogram_name();
86 struct ds ds = DS_EMPTY_INITIALIZER;
87 int save_errno = errno;
91 if (subprogram_name[0]) {
92 ds_put_format(&ds, "%s(%s): ", program_name,subprogram_name);
94 ds_put_format(&ds, "%s: ", program_name);
98 ds_put_format_valist(&ds, fmt, args);
102 ds_put_format(&ds, " (%s)", ovs_retval_to_string(err_no));
104 ds_put_cstr(&ds, "\n");
106 dpctl_puts(dpctl_p, true, ds_cstr(&ds));
113 static int dpctl_add_if(int argc, const char *argv[], struct dpctl_params *);
116 if_up(struct netdev *netdev)
118 return netdev_turn_flags_on(netdev, NETDEV_UP, NULL);
121 /* Retrieve the name of the datapath if exactly one exists. The caller
122 * is responsible for freeing the returned string. If there is not one
123 * datapath, aborts with an error message. */
125 get_one_dp(struct dpctl_params *dpctl_p)
129 char *dp_name = NULL;
133 dp_enumerate_types(&types);
134 SSET_FOR_EACH (type, &types) {
138 if (!dp_enumerate_names(type, &names)) {
139 count += sset_count(&names);
140 if (!dp_name && count == 1) {
141 dp_name = xasprintf("%s@%s", type, SSET_FIRST(&names));
144 sset_destroy(&names);
146 sset_destroy(&types);
149 dpctl_error(dpctl_p, 0, "no datapaths exist");
150 } else if (count > 1) {
151 dpctl_error(dpctl_p, 0, "multiple datapaths, specify one");
160 parsed_dpif_open(const char *arg_, bool create, struct dpif **dpifp)
165 dp_parse_name(arg_, &name, &type);
168 result = dpif_create(name, type, dpifp);
170 result = dpif_open(name, type, dpifp);
179 dpctl_add_dp(int argc, const char *argv[],
180 struct dpctl_params *dpctl_p)
185 error = parsed_dpif_open(argv[1], true, &dpif);
187 dpctl_error(dpctl_p, error, "add_dp");
192 error = dpctl_add_if(argc, argv, dpctl_p);
198 dpctl_del_dp(int argc OVS_UNUSED, const char *argv[],
199 struct dpctl_params *dpctl_p)
204 error = parsed_dpif_open(argv[1], false, &dpif);
206 dpctl_error(dpctl_p, error, "opening datapath");
209 error = dpif_delete(dpif);
211 dpctl_error(dpctl_p, error, "del_dp");
219 dpctl_add_if(int argc OVS_UNUSED, const char *argv[],
220 struct dpctl_params *dpctl_p)
223 int i, error, lasterror = 0;
225 error = parsed_dpif_open(argv[1], false, &dpif);
227 dpctl_error(dpctl_p, error, "opening datapath");
230 for (i = 2; i < argc; i++) {
231 const char *name, *type;
232 char *save_ptr = NULL, *argcopy;
233 struct netdev *netdev = NULL;
235 odp_port_t port_no = ODPP_NONE;
238 argcopy = xstrdup(argv[i]);
239 name = strtok_r(argcopy, ",", &save_ptr);
243 dpctl_error(dpctl_p, 0, "%s is not a valid network device name",
250 while ((option = strtok_r(NULL, ",", &save_ptr)) != NULL) {
251 char *save_ptr_2 = NULL;
254 key = strtok_r(option, "=", &save_ptr_2);
255 value = strtok_r(NULL, "", &save_ptr_2);
260 if (!strcmp(key, "type")) {
262 } else if (!strcmp(key, "port_no")) {
263 port_no = u32_to_odp(atoi(value));
264 } else if (!smap_add_once(&args, key, value)) {
265 dpctl_error(dpctl_p, 0, "duplicate \"%s\" option", key);
269 error = netdev_open(name, type, &netdev);
271 dpctl_error(dpctl_p, error, "%s: failed to open network device",
273 goto next_destroy_args;
276 error = netdev_set_config(netdev, &args, NULL);
278 goto next_destroy_args;
281 error = dpif_port_add(dpif, netdev, &port_no);
283 dpctl_error(dpctl_p, error, "adding %s to %s failed", name,
285 goto next_destroy_args;
288 error = if_up(netdev);
290 dpctl_error(dpctl_p, error, "%s: failed bringing interface up",
295 netdev_close(netdev);
309 dpctl_set_if(int argc, const char *argv[], struct dpctl_params *dpctl_p)
312 int i, error, lasterror = 0;
314 error = parsed_dpif_open(argv[1], false, &dpif);
316 dpctl_error(dpctl_p, error, "opening datapath");
319 for (i = 2; i < argc; i++) {
320 struct netdev *netdev = NULL;
321 struct dpif_port dpif_port;
322 char *save_ptr = NULL;
331 argcopy = xstrdup(argv[i]);
332 name = strtok_r(argcopy, ",", &save_ptr);
334 dpctl_error(dpctl_p, 0, "%s is not a valid network device name",
339 /* Get the port's type from the datapath. */
340 error = dpif_port_query_by_name(dpif, name, &dpif_port);
342 dpctl_error(dpctl_p, error, "%s: failed to query port in %s", name,
346 type = xstrdup(dpif_port.type);
347 port_no = dpif_port.port_no;
348 dpif_port_destroy(&dpif_port);
350 /* Retrieve its existing configuration. */
351 error = netdev_open(name, type, &netdev);
353 dpctl_error(dpctl_p, error, "%s: failed to open network device",
359 error = netdev_get_config(netdev, &args);
361 dpctl_error(dpctl_p, error, "%s: failed to fetch configuration",
363 goto next_destroy_args;
366 /* Parse changes to configuration. */
367 while ((option = strtok_r(NULL, ",", &save_ptr)) != NULL) {
368 char *save_ptr_2 = NULL;
371 key = strtok_r(option, "=", &save_ptr_2);
372 value = strtok_r(NULL, "", &save_ptr_2);
377 if (!strcmp(key, "type")) {
378 if (strcmp(value, type)) {
379 dpctl_error(dpctl_p, 0,
380 "%s: can't change type from %s to %s",
384 } else if (!strcmp(key, "port_no")) {
385 if (port_no != u32_to_odp(atoi(value))) {
386 dpctl_error(dpctl_p, 0, "%s: can't change port number from"
387 " %"PRIu32" to %d", name, port_no, atoi(value));
390 } else if (value[0] == '\0') {
391 smap_remove(&args, key);
393 smap_replace(&args, key, value);
397 /* Update configuration. */
398 error = netdev_set_config(netdev, &args, NULL);
400 goto next_destroy_args;
406 netdev_close(netdev);
419 get_port_number(struct dpif *dpif, const char *name, odp_port_t *port,
420 struct dpctl_params *dpctl_p)
422 struct dpif_port dpif_port;
424 if (!dpif_port_query_by_name(dpif, name, &dpif_port)) {
425 *port = dpif_port.port_no;
426 dpif_port_destroy(&dpif_port);
429 dpctl_error(dpctl_p, 0, "no port named %s", name);
435 dpctl_del_if(int argc, const char *argv[], struct dpctl_params *dpctl_p)
438 int i, error, lasterror = 0;
440 error = parsed_dpif_open(argv[1], false, &dpif);
442 dpctl_error(dpctl_p, error, "opening datapath");
445 for (i = 2; i < argc; i++) {
446 const char *name = argv[i];
449 if (!name[strspn(name, "0123456789")]) {
450 port = u32_to_odp(atoi(name));
451 } else if (!get_port_number(dpif, name, &port, dpctl_p)) {
456 error = dpif_port_del(dpif, port);
458 dpctl_error(dpctl_p, error, "deleting port %s from %s failed",
468 print_stat(struct dpctl_params *dpctl_p, const char *leader, uint64_t value)
470 dpctl_print(dpctl_p, "%s", leader);
471 if (value != UINT64_MAX) {
472 dpctl_print(dpctl_p, "%"PRIu64, value);
474 dpctl_print(dpctl_p, "?");
479 print_human_size(struct dpctl_params *dpctl_p, uint64_t value)
481 if (value == UINT64_MAX) {
483 } else if (value >= 1024ULL * 1024 * 1024 * 1024) {
484 dpctl_print(dpctl_p, " (%.1f TiB)",
485 value / (1024.0 * 1024 * 1024 * 1024));
486 } else if (value >= 1024ULL * 1024 * 1024) {
487 dpctl_print(dpctl_p, " (%.1f GiB)", value / (1024.0 * 1024 * 1024));
488 } else if (value >= 1024ULL * 1024) {
489 dpctl_print(dpctl_p, " (%.1f MiB)", value / (1024.0 * 1024));
490 } else if (value >= 1024) {
491 dpctl_print(dpctl_p, " (%.1f KiB)", value / 1024.0);
496 show_dpif(struct dpif *dpif, struct dpctl_params *dpctl_p)
498 struct dpif_port_dump dump;
499 struct dpif_port dpif_port;
500 struct dpif_dp_stats stats;
501 struct netdev *netdev;
503 dpctl_print(dpctl_p, "%s:\n", dpif_name(dpif));
504 if (!dpif_get_dp_stats(dpif, &stats)) {
505 dpctl_print(dpctl_p, "\tlookups: hit:%"PRIu64" missed:%"PRIu64
506 " lost:%"PRIu64"\n\tflows: %"PRIu64"\n",
507 stats.n_hit, stats.n_missed, stats.n_lost, stats.n_flows);
508 if (stats.n_masks != UINT32_MAX) {
509 uint64_t n_pkts = stats.n_hit + stats.n_missed;
510 double avg = n_pkts ? (double) stats.n_mask_hit / n_pkts : 0.0;
512 dpctl_print(dpctl_p, "\tmasks: hit:%"PRIu64" total:%"PRIu32
514 stats.n_mask_hit, stats.n_masks, avg);
518 DPIF_PORT_FOR_EACH (&dpif_port, &dump, dpif) {
519 dpctl_print(dpctl_p, "\tport %u: %s",
520 dpif_port.port_no, dpif_port.name);
522 if (strcmp(dpif_port.type, "system")) {
525 dpctl_print(dpctl_p, " (%s", dpif_port.type);
527 error = netdev_open(dpif_port.name, dpif_port.type, &netdev);
532 error = netdev_get_config(netdev, &config);
534 const struct smap_node **nodes;
537 nodes = smap_sort(&config);
538 for (i = 0; i < smap_count(&config); i++) {
539 const struct smap_node *node = nodes[i];
540 dpctl_print(dpctl_p, "%c %s=%s", i ? ',' : ':',
541 node->key, node->value);
545 dpctl_print(dpctl_p, ", could not retrieve configuration "
546 "(%s)", ovs_strerror(error));
548 smap_destroy(&config);
550 netdev_close(netdev);
552 dpctl_print(dpctl_p, ": open failed (%s)",
553 ovs_strerror(error));
555 dpctl_print(dpctl_p, ")");
557 dpctl_print(dpctl_p, "\n");
559 if (dpctl_p->print_statistics) {
560 struct netdev_stats s;
563 error = netdev_open(dpif_port.name, dpif_port.type, &netdev);
565 dpctl_print(dpctl_p, ", open failed (%s)",
566 ovs_strerror(error));
569 error = netdev_get_stats(netdev, &s);
571 netdev_close(netdev);
572 print_stat(dpctl_p, "\t\tRX packets:", s.rx_packets);
573 print_stat(dpctl_p, " errors:", s.rx_errors);
574 print_stat(dpctl_p, " dropped:", s.rx_dropped);
575 print_stat(dpctl_p, " overruns:", s.rx_over_errors);
576 print_stat(dpctl_p, " frame:", s.rx_frame_errors);
577 dpctl_print(dpctl_p, "\n");
579 print_stat(dpctl_p, "\t\tTX packets:", s.tx_packets);
580 print_stat(dpctl_p, " errors:", s.tx_errors);
581 print_stat(dpctl_p, " dropped:", s.tx_dropped);
582 print_stat(dpctl_p, " aborted:", s.tx_aborted_errors);
583 print_stat(dpctl_p, " carrier:", s.tx_carrier_errors);
584 dpctl_print(dpctl_p, "\n");
586 print_stat(dpctl_p, "\t\tcollisions:", s.collisions);
587 dpctl_print(dpctl_p, "\n");
589 print_stat(dpctl_p, "\t\tRX bytes:", s.rx_bytes);
590 print_human_size(dpctl_p, s.rx_bytes);
591 print_stat(dpctl_p, " TX bytes:", s.tx_bytes);
592 print_human_size(dpctl_p, s.tx_bytes);
593 dpctl_print(dpctl_p, "\n");
595 dpctl_print(dpctl_p, ", could not retrieve stats (%s)",
596 ovs_strerror(error));
604 dpctl_show(int argc, const char *argv[], struct dpctl_params *dpctl_p)
606 int error, lasterror = 0;
609 for (i = 1; i < argc; i++) {
610 const char *name = argv[i];
613 error = parsed_dpif_open(name, false, &dpif);
615 show_dpif(dpif, dpctl_p);
617 dpctl_error(dpctl_p, error, "opening datapath %s failed",
627 dp_enumerate_types(&types);
628 SSET_FOR_EACH (type, &types) {
633 error = dp_enumerate_names(type, &names);
638 SSET_FOR_EACH (name, &names) {
641 error = dpif_open(name, type, &dpif);
643 show_dpif(dpif, dpctl_p);
645 dpctl_error(dpctl_p, error, "opening datapath %s failed",
651 sset_destroy(&names);
653 sset_destroy(&types);
659 dpctl_dump_dps(int argc OVS_UNUSED, const char *argv[] OVS_UNUSED,
660 struct dpctl_params *dpctl_p)
662 struct sset dpif_names, dpif_types;
664 int error, lasterror = 0;
666 sset_init(&dpif_names);
667 sset_init(&dpif_types);
668 dp_enumerate_types(&dpif_types);
670 SSET_FOR_EACH (type, &dpif_types) {
673 error = dp_enumerate_names(type, &dpif_names);
678 SSET_FOR_EACH (name, &dpif_names) {
680 if (!dpif_open(name, type, &dpif)) {
681 dpctl_print(dpctl_p, "%s\n", dpif_name(dpif));
687 sset_destroy(&dpif_names);
688 sset_destroy(&dpif_types);
693 format_dpif_flow(struct ds *ds, const struct dpif_flow *f, struct hmap *ports,
694 struct dpctl_params *dpctl_p)
696 if (dpctl_p->verbosity) {
697 if (f->ufid_present) {
698 odp_format_ufid(&f->ufid, ds);
699 ds_put_cstr(ds, ", ");
701 ds_put_cstr(ds, "ufid:<empty>, ");
704 odp_flow_format(f->key, f->key_len, f->mask, f->mask_len, ports, ds,
706 ds_put_cstr(ds, ", ");
708 dpif_flow_stats_format(&f->stats, ds);
709 ds_put_cstr(ds, ", actions:");
710 format_odp_actions(ds, f->actions, f->actions_len);
714 dpctl_dump_flows(int argc, const char *argv[], struct dpctl_params *dpctl_p)
721 struct flow flow_filter;
722 struct flow_wildcards wc_filter;
724 struct dpif_port_dump port_dump;
725 struct dpif_port dpif_port;
726 struct hmap portno_names;
727 struct simap names_portno;
729 struct dpif_flow_dump_thread *flow_dump_thread;
730 struct dpif_flow_dump *flow_dump;
735 if (argc > 1 && !strncmp(argv[argc - 1], "filter=", 7)) {
736 filter = xstrdup(argv[--argc] + 7);
738 name = (argc == 2) ? xstrdup(argv[1]) : get_one_dp(dpctl_p);
744 error = parsed_dpif_open(name, false, &dpif);
747 dpctl_error(dpctl_p, error, "opening datapath");
752 hmap_init(&portno_names);
753 simap_init(&names_portno);
754 DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, dpif) {
755 odp_portno_names_set(&portno_names, dpif_port.port_no, dpif_port.name);
756 simap_put(&names_portno, dpif_port.name,
757 odp_to_u32(dpif_port.port_no));
761 char *err = parse_ofp_exact_flow(&flow_filter, &wc_filter.masks,
762 filter, &names_portno);
764 dpctl_error(dpctl_p, 0, "Failed to parse filter (%s)", err);
771 flow_dump = dpif_flow_dump_create(dpif, false);
772 flow_dump_thread = dpif_flow_dump_thread_create(flow_dump);
773 while (dpif_flow_dump_next(flow_dump_thread, &f, 1)) {
776 struct flow_wildcards wc;
777 struct match match, match_filter;
778 struct minimatch minimatch;
780 odp_flow_key_to_flow(f.key, f.key_len, &flow);
781 odp_flow_key_to_mask(f.mask, f.mask_len, &wc.masks, &flow);
782 match_init(&match, &flow, &wc);
784 match_init(&match_filter, &flow_filter, &wc);
785 match_init(&match_filter, &match_filter.flow, &wc_filter);
786 minimatch_init(&minimatch, &match_filter);
788 if (!minimatch_matches_flow(&minimatch, &match.flow)) {
789 minimatch_destroy(&minimatch);
792 minimatch_destroy(&minimatch);
795 format_dpif_flow(&ds, &f, &portno_names, dpctl_p);
796 dpctl_print(dpctl_p, "%s\n", ds_cstr(&ds));
798 dpif_flow_dump_thread_destroy(flow_dump_thread);
799 error = dpif_flow_dump_destroy(flow_dump);
802 dpctl_error(dpctl_p, error, "Failed to dump flows from datapath");
807 odp_portno_names_destroy(&portno_names);
808 simap_destroy(&names_portno);
809 hmap_destroy(&portno_names);
817 dpctl_put_flow(int argc, const char *argv[], enum dpif_flow_put_flags flags,
818 struct dpctl_params *dpctl_p)
820 const char *key_s = argv[argc - 2];
821 const char *actions_s = argv[argc - 1];
822 struct dpif_flow_stats stats;
823 struct dpif_port dpif_port;
824 struct dpif_port_dump port_dump;
825 struct ofpbuf actions;
832 struct simap port_names;
835 dp_name = argc == 4 ? xstrdup(argv[1]) : get_one_dp(dpctl_p);
839 error = parsed_dpif_open(dp_name, false, &dpif);
842 dpctl_error(dpctl_p, error, "opening datapath");
846 ufid_present = false;
847 n = odp_ufid_from_string(key_s, &ufid);
849 dpctl_error(dpctl_p, -n, "parsing flow ufid");
856 simap_init(&port_names);
857 DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, dpif) {
858 simap_put(&port_names, dpif_port.name, odp_to_u32(dpif_port.port_no));
861 ofpbuf_init(&key, 0);
862 ofpbuf_init(&mask, 0);
863 error = odp_flow_from_string(key_s, &port_names, &key, &mask);
864 simap_destroy(&port_names);
866 dpctl_error(dpctl_p, error, "parsing flow key");
867 goto out_freekeymask;
870 ofpbuf_init(&actions, 0);
871 error = odp_actions_from_string(actions_s, NULL, &actions);
873 dpctl_error(dpctl_p, error, "parsing actions");
874 goto out_freeactions;
876 error = dpif_flow_put(dpif, flags,
877 ofpbuf_data(&key), ofpbuf_size(&key),
878 ofpbuf_size(&mask) == 0 ? NULL : ofpbuf_data(&mask),
880 ofpbuf_data(&actions), ofpbuf_size(&actions),
881 ufid_present ? &ufid : NULL,
882 dpctl_p->print_statistics ? &stats : NULL);
884 dpctl_error(dpctl_p, error, "updating flow table");
885 goto out_freeactions;
888 if (dpctl_p->print_statistics) {
892 dpif_flow_stats_format(&stats, &s);
893 dpctl_print(dpctl_p, "%s\n", ds_cstr(&s));
898 ofpbuf_uninit(&actions);
900 ofpbuf_uninit(&mask);
907 dpctl_add_flow(int argc, const char *argv[], struct dpctl_params *dpctl_p)
909 return dpctl_put_flow(argc, argv, DPIF_FP_CREATE, dpctl_p);
913 dpctl_mod_flow(int argc, const char *argv[], struct dpctl_params *dpctl_p)
915 enum dpif_flow_put_flags flags;
917 flags = DPIF_FP_MODIFY;
918 if (dpctl_p->may_create) {
919 flags |= DPIF_FP_CREATE;
921 if (dpctl_p->zero_statistics) {
922 flags |= DPIF_FP_ZERO_STATS;
925 return dpctl_put_flow(argc, argv, flags, dpctl_p);
929 dpctl_get_flow(int argc, const char *argv[], struct dpctl_params *dpctl_p)
931 const char *key_s = argv[argc - 1];
932 struct dpif_flow flow;
933 struct dpif_port dpif_port;
934 struct dpif_port_dump port_dump;
937 struct hmap portno_names;
940 uint64_t stub[DPIF_FLOW_BUFSIZE / 8];
944 dp_name = argc == 3 ? xstrdup(argv[1]) : get_one_dp(dpctl_p);
948 error = parsed_dpif_open(dp_name, false, &dpif);
951 dpctl_error(dpctl_p, error, "opening datapath");
955 ofpbuf_use_stub(&buf, &stub, sizeof stub);
956 hmap_init(&portno_names);
957 DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, dpif) {
958 odp_portno_names_set(&portno_names, dpif_port.port_no, dpif_port.name);
961 n = odp_ufid_from_string(key_s, &ufid);
963 dpctl_error(dpctl_p, -n, "parsing flow ufid");
967 error = dpif_flow_get(dpif, NULL, 0, &ufid, &buf, &flow);
969 dpctl_error(dpctl_p, error, "getting flow");
974 format_dpif_flow(&ds, &flow, &portno_names, dpctl_p);
975 dpctl_print(dpctl_p, "%s\n", ds_cstr(&ds));
979 odp_portno_names_destroy(&portno_names);
980 hmap_destroy(&portno_names);
987 dpctl_del_flow(int argc, const char *argv[], struct dpctl_params *dpctl_p)
989 const char *key_s = argv[argc - 1];
990 struct dpif_flow_stats stats;
991 struct dpif_port dpif_port;
992 struct dpif_port_dump port_dump;
994 struct ofpbuf mask; /* To be ignored. */
999 struct simap port_names;
1002 dp_name = argc == 3 ? xstrdup(argv[1]) : get_one_dp(dpctl_p);
1006 error = parsed_dpif_open(dp_name, false, &dpif);
1009 dpctl_error(dpctl_p, error, "opening datapath");
1013 ufid_present = false;
1014 n = odp_ufid_from_string(key_s, &ufid);
1016 dpctl_error(dpctl_p, -n, "parsing flow ufid");
1020 ufid_present = true;
1023 simap_init(&port_names);
1024 DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, dpif) {
1025 simap_put(&port_names, dpif_port.name, odp_to_u32(dpif_port.port_no));
1028 ofpbuf_init(&key, 0);
1029 ofpbuf_init(&mask, 0);
1031 error = odp_flow_from_string(key_s, &port_names, &key, &mask);
1033 dpctl_error(dpctl_p, error, "parsing flow key");
1037 error = dpif_flow_del(dpif,
1038 ofpbuf_data(&key), ofpbuf_size(&key),
1039 ufid_present ? &ufid : NULL,
1040 dpctl_p->print_statistics ? &stats : NULL);
1042 dpctl_error(dpctl_p, error, "deleting flow");
1043 if (error == ENOENT && !ufid_present) {
1047 ds_put_format(&s, "Perhaps you need to specify a UFID?");
1048 dpctl_print(dpctl_p, "%s\n", ds_cstr(&s));
1054 if (dpctl_p->print_statistics) {
1058 dpif_flow_stats_format(&stats, &s);
1059 dpctl_print(dpctl_p, "%s\n", ds_cstr(&s));
1064 ofpbuf_uninit(&mask);
1065 ofpbuf_uninit(&key);
1066 simap_destroy(&port_names);
1072 dpctl_del_flows(int argc, const char *argv[], struct dpctl_params *dpctl_p)
1078 name = (argc == 2) ? xstrdup(argv[1]) : get_one_dp(dpctl_p);
1082 error = parsed_dpif_open(name, false, &dpif);
1085 dpctl_error(dpctl_p, error, "opening datapath");
1089 error = dpif_flow_flush(dpif);
1091 dpctl_error(dpctl_p, error, "deleting all flows");
1098 dpctl_help(int argc OVS_UNUSED, const char *argv[] OVS_UNUSED,
1099 struct dpctl_params *dpctl_p)
1101 if (dpctl_p->usage) {
1102 dpctl_p->usage(dpctl_p->aux);
1109 dpctl_list_commands(int argc OVS_UNUSED, const char *argv[] OVS_UNUSED,
1110 struct dpctl_params *dpctl_p)
1112 struct ds ds = DS_EMPTY_INITIALIZER;
1113 const struct dpctl_command *commands = get_all_dpctl_commands();
1115 ds_put_cstr(&ds, "The available commands are:\n");
1116 for (; commands->name; commands++) {
1117 const struct dpctl_command *c = commands;
1119 ds_put_format(&ds, " %s%-23s %s\n", dpctl_p->is_appctl ? "dpctl/" : "",
1122 dpctl_puts(dpctl_p, false, ds.string);
1128 /* Undocumented commands for unit testing. */
1131 dpctl_parse_actions(int argc, const char *argv[], struct dpctl_params* dpctl_p)
1135 for (i = 1; i < argc; i++) {
1136 struct ofpbuf actions;
1139 ofpbuf_init(&actions, 0);
1140 error = odp_actions_from_string(argv[i], NULL, &actions);
1143 ofpbuf_uninit(&actions);
1144 dpctl_error(dpctl_p, error, "odp_actions_from_string");
1149 format_odp_actions(&s, ofpbuf_data(&actions), ofpbuf_size(&actions));
1150 dpctl_print(dpctl_p, "%s\n", ds_cstr(&s));
1153 ofpbuf_uninit(&actions);
1159 struct actions_for_flow {
1160 struct hmap_node hmap_node;
1162 struct ofpbuf actions;
1165 static struct actions_for_flow *
1166 get_actions_for_flow(struct hmap *actions_per_flow, const struct flow *flow)
1168 uint32_t hash = flow_hash(flow, 0);
1169 struct actions_for_flow *af;
1171 HMAP_FOR_EACH_WITH_HASH (af, hmap_node, hash, actions_per_flow) {
1172 if (flow_equal(&af->flow, flow)) {
1177 af = xmalloc(sizeof *af);
1179 ofpbuf_init(&af->actions, 0);
1180 hmap_insert(actions_per_flow, &af->hmap_node, hash);
1185 compare_actions_for_flow(const void *a_, const void *b_)
1187 struct actions_for_flow *const *a = a_;
1188 struct actions_for_flow *const *b = b_;
1190 return flow_compare_3way(&(*a)->flow, &(*b)->flow);
1194 compare_output_actions(const void *a_, const void *b_)
1196 const struct nlattr *a = a_;
1197 const struct nlattr *b = b_;
1198 uint32_t a_port = nl_attr_get_u32(a);
1199 uint32_t b_port = nl_attr_get_u32(b);
1201 return a_port < b_port ? -1 : a_port > b_port;
1205 sort_output_actions__(struct nlattr *first, struct nlattr *end)
1207 size_t bytes = (uint8_t *) end - (uint8_t *) first;
1208 size_t n = bytes / NL_A_U32_SIZE;
1210 ovs_assert(bytes % NL_A_U32_SIZE == 0);
1211 qsort(first, n, NL_A_U32_SIZE, compare_output_actions);
1215 sort_output_actions(struct nlattr *actions, size_t length)
1217 struct nlattr *first_output = NULL;
1221 NL_ATTR_FOR_EACH (a, left, actions, length) {
1222 if (nl_attr_type(a) == OVS_ACTION_ATTR_OUTPUT) {
1223 if (!first_output) {
1228 sort_output_actions__(first_output, a);
1229 first_output = NULL;
1234 uint8_t *end = (uint8_t *) actions + length;
1235 sort_output_actions__(first_output,
1236 ALIGNED_CAST(struct nlattr *, end));
1240 /* usage: "ovs-dpctl normalize-actions FLOW ACTIONS" where FLOW and ACTIONS
1241 * have the syntax used by "ovs-dpctl dump-flows".
1243 * This command prints ACTIONS in a format that shows what happens for each
1244 * VLAN, independent of the order of the ACTIONS. For example, there is more
1245 * than one way to output a packet on VLANs 9 and 11, but this command will
1246 * print the same output for any form.
1248 * The idea here generalizes beyond VLANs (e.g. to setting other fields) but
1249 * so far the implementation only covers VLANs. */
1251 dpctl_normalize_actions(int argc, const char *argv[],
1252 struct dpctl_params *dpctl_p)
1254 struct simap port_names;
1255 struct ofpbuf keybuf;
1257 struct ofpbuf odp_actions;
1258 struct hmap actions_per_flow;
1259 struct actions_for_flow **afs;
1260 struct actions_for_flow *af;
1269 simap_init(&port_names);
1270 for (i = 3; i < argc; i++) {
1274 if (ovs_scan(argv[i], "%15[^=]=%d", name, &number)) {
1275 uintptr_t n = number;
1276 simap_put(&port_names, name, n);
1278 dpctl_error(dpctl_p, 0, "%s: expected NAME=NUMBER", argv[i]);
1284 /* Parse flow key. */
1285 ofpbuf_init(&keybuf, 0);
1286 error = odp_flow_from_string(argv[1], &port_names, &keybuf, NULL);
1288 dpctl_error(dpctl_p, error, "odp_flow_key_from_string");
1289 goto out_freekeybuf;
1293 odp_flow_format(ofpbuf_data(&keybuf), ofpbuf_size(&keybuf), NULL, 0, NULL,
1294 &s, dpctl_p->verbosity);
1295 dpctl_print(dpctl_p, "input flow: %s\n", ds_cstr(&s));
1297 error = odp_flow_key_to_flow(ofpbuf_data(&keybuf), ofpbuf_size(&keybuf),
1300 dpctl_error(dpctl_p, error, "odp_flow_key_to_flow");
1301 goto out_freekeybuf;
1304 /* Parse actions. */
1305 ofpbuf_init(&odp_actions, 0);
1306 error = odp_actions_from_string(argv[2], &port_names, &odp_actions);
1308 dpctl_error(dpctl_p, error, "odp_actions_from_string");
1309 goto out_freeactions;
1312 if (dpctl_p->verbosity) {
1314 format_odp_actions(&s, ofpbuf_data(&odp_actions),
1315 ofpbuf_size(&odp_actions));
1316 dpctl_print(dpctl_p, "input actions: %s\n", ds_cstr(&s));
1319 hmap_init(&actions_per_flow);
1320 NL_ATTR_FOR_EACH (a, left, ofpbuf_data(&odp_actions),
1321 ofpbuf_size(&odp_actions)) {
1322 const struct ovs_action_push_vlan *push;
1323 switch(nl_attr_type(a)) {
1324 case OVS_ACTION_ATTR_POP_VLAN:
1325 flow.vlan_tci = htons(0);
1328 case OVS_ACTION_ATTR_PUSH_VLAN:
1329 push = nl_attr_get_unspec(a, sizeof *push);
1330 flow.vlan_tci = push->vlan_tci;
1334 af = get_actions_for_flow(&actions_per_flow, &flow);
1335 nl_msg_put_unspec(&af->actions, nl_attr_type(a),
1336 nl_attr_get(a), nl_attr_get_size(a));
1339 n_afs = hmap_count(&actions_per_flow);
1340 afs = xmalloc(n_afs * sizeof *afs);
1342 HMAP_FOR_EACH (af, hmap_node, &actions_per_flow) {
1346 ovs_assert(i == n_afs);
1347 hmap_destroy(&actions_per_flow);
1349 qsort(afs, n_afs, sizeof *afs, compare_actions_for_flow);
1351 for (i = 0; i < n_afs; i++) {
1352 struct actions_for_flow *af = afs[i];
1354 sort_output_actions(ofpbuf_data(&af->actions),
1355 ofpbuf_size(&af->actions));
1357 if (af->flow.vlan_tci != htons(0)) {
1358 dpctl_print(dpctl_p, "vlan(vid=%"PRIu16",pcp=%d): ",
1359 vlan_tci_to_vid(af->flow.vlan_tci),
1360 vlan_tci_to_pcp(af->flow.vlan_tci));
1362 dpctl_print(dpctl_p, "no vlan: ");
1365 if (eth_type_mpls(af->flow.dl_type)) {
1366 dpctl_print(dpctl_p, "mpls(label=%"PRIu32",tc=%d,ttl=%d): ",
1367 mpls_lse_to_label(af->flow.mpls_lse[0]),
1368 mpls_lse_to_tc(af->flow.mpls_lse[0]),
1369 mpls_lse_to_ttl(af->flow.mpls_lse[0]));
1371 dpctl_print(dpctl_p, "no mpls: ");
1375 format_odp_actions(&s, ofpbuf_data(&af->actions),
1376 ofpbuf_size(&af->actions));
1377 dpctl_print(dpctl_p, ds_cstr(&s));
1379 ofpbuf_uninit(&af->actions);
1386 ofpbuf_uninit(&odp_actions);
1388 ofpbuf_uninit(&keybuf);
1390 simap_destroy(&port_names);
1396 static const struct dpctl_command all_commands[] = {
1397 { "add-dp", "add-dp dp [iface...]", 1, INT_MAX, dpctl_add_dp },
1398 { "del-dp", "del-dp dp", 1, 1, dpctl_del_dp },
1399 { "add-if", "add-if dp iface...", 2, INT_MAX, dpctl_add_if },
1400 { "del-if", "del-if dp iface...", 2, INT_MAX, dpctl_del_if },
1401 { "set-if", "set-if dp iface...", 2, INT_MAX, dpctl_set_if },
1402 { "dump-dps", "", 0, 0, dpctl_dump_dps },
1403 { "show", "[dp...]", 0, INT_MAX, dpctl_show },
1404 { "dump-flows", "[dp]", 0, 2, dpctl_dump_flows },
1405 { "add-flow", "add-flow [dp] flow actions", 2, 3, dpctl_add_flow },
1406 { "mod-flow", "mod-flow [dp] flow actions", 2, 3, dpctl_mod_flow },
1407 { "get-flow", "get-flow [dp] ufid", 1, 2, dpctl_get_flow },
1408 { "del-flow", "del-flow [dp] flow", 1, 2, dpctl_del_flow },
1409 { "del-flows", "[dp]", 0, 1, dpctl_del_flows },
1410 { "help", "", 0, INT_MAX, dpctl_help },
1411 { "list-commands", "", 0, INT_MAX, dpctl_list_commands },
1413 /* Undocumented commands for testing. */
1414 { "parse-actions", "actions", 1, INT_MAX, dpctl_parse_actions },
1415 { "normalize-actions", "actions", 2, INT_MAX, dpctl_normalize_actions },
1417 { NULL, NULL, 0, 0, NULL },
1420 static const struct dpctl_command *get_all_dpctl_commands(void)
1422 return all_commands;
1425 /* Runs the command designated by argv[0] within the command table specified by
1426 * 'commands', which must be terminated by a command whose 'name' member is a
1429 dpctl_run_command(int argc, const char *argv[], struct dpctl_params *dpctl_p)
1431 const struct dpctl_command *p;
1434 dpctl_error(dpctl_p, 0, "missing command name; use --help for help");
1438 for (p = all_commands; p->name != NULL; p++) {
1439 if (!strcmp(p->name, argv[0])) {
1440 int n_arg = argc - 1;
1441 if (n_arg < p->min_args) {
1442 dpctl_error(dpctl_p, 0,
1443 "'%s' command requires at least %d arguments",
1444 p->name, p->min_args);
1446 } else if (n_arg > p->max_args) {
1447 dpctl_error(dpctl_p, 0,
1448 "'%s' command takes at most %d arguments",
1449 p->name, p->max_args);
1452 return p->handler(argc, argv, dpctl_p);
1457 dpctl_error(dpctl_p, 0, "unknown command '%s'; use --help for help",
1463 dpctl_unixctl_print(void *userdata, bool error OVS_UNUSED, const char *msg)
1465 struct ds *ds = userdata;
1466 ds_put_cstr(ds, msg);
1470 dpctl_unixctl_handler(struct unixctl_conn *conn, int argc, const char *argv[],
1473 struct ds ds = DS_EMPTY_INITIALIZER;
1474 struct dpctl_params dpctl_p;
1475 bool opt_parse_err = false;
1477 dpctl_command_handler *handler = (dpctl_command_handler *) aux;
1479 dpctl_p.print_statistics = false;
1480 dpctl_p.zero_statistics = false;
1481 dpctl_p.may_create = false;
1482 dpctl_p.verbosity = 0;
1484 /* Parse options (like getopt). Unfortunately it does
1485 * not seem a good idea to call getopt_long() here, since it uses global
1487 while (argc > 1 && !opt_parse_err) {
1488 const char *arg = argv[1];
1489 if (!strncmp(arg, "--", 2)) {
1491 if (!strcmp(arg, "--statistics")) {
1492 dpctl_p.print_statistics = true;
1493 } else if (!strcmp(arg, "--clear")) {
1494 dpctl_p.zero_statistics = true;
1495 } else if (!strcmp(arg, "--may-create")) {
1496 dpctl_p.may_create = true;
1497 } else if (!strcmp(arg, "--more")) {
1498 dpctl_p.verbosity++;
1500 ds_put_format(&ds, "Unrecognized option %s", argv[1]);
1501 opt_parse_err = true;
1503 } else if (arg[0] == '-' && arg[1] != '\0') {
1504 /* Short option[s] */
1505 const char *opt = &arg[1];
1507 while (*opt && !opt_parse_err) {
1510 dpctl_p.verbosity++;
1513 dpctl_p.print_statistics = true;
1516 ds_put_format(&ds, "Unrecognized option -%c", *opt);
1517 opt_parse_err = true;
1523 /* Doesn't start with -, not an option */
1527 if (opt_parse_err) {
1534 if (!opt_parse_err) {
1535 dpctl_p.is_appctl = true;
1536 dpctl_p.output = dpctl_unixctl_print;
1539 handler(argc, argv, &dpctl_p);
1542 unixctl_command_reply(conn, ds_cstr(&ds));
1548 dpctl_unixctl_register(void)
1550 const struct dpctl_command *p;
1552 for (p = all_commands; p->name != NULL; p++) {
1553 char *cmd_name = xasprintf("dpctl/%s", p->name);
1554 unixctl_command_register(cmd_name, "", p->min_args, p->max_args,
1555 dpctl_unixctl_handler, p->handler);