2
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Nicira, Inc.
4
* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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
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* 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"
38
#include "netdev-dpdk.h"
41
#include "ofp-parse.h"
53
typedef int dpctl_command_handler(int argc, const char *argv[],
54
struct dpctl_params *);
55
struct dpctl_command {
60
dpctl_command_handler *handler;
62
static const struct dpctl_command *get_all_dpctl_commands(void);
63
static void dpctl_print(struct dpctl_params *dpctl_p, const char *fmt, ...)
64
OVS_PRINTF_FORMAT(2, 3);
65
static void dpctl_error(struct dpctl_params* dpctl_p, int err_no,
67
OVS_PRINTF_FORMAT(3, 4);
70
dpctl_puts(struct dpctl_params *dpctl_p, bool error, const char *string)
72
dpctl_p->output(dpctl_p->aux, error, string);
76
dpctl_print(struct dpctl_params *dpctl_p, const char *fmt, ...)
82
string = xvasprintf(fmt, args);
85
dpctl_puts(dpctl_p, false, string);
90
dpctl_error(struct dpctl_params* dpctl_p, int err_no, const char *fmt, ...)
92
const char *subprogram_name = get_subprogram_name();
93
struct ds ds = DS_EMPTY_INITIALIZER;
94
int save_errno = errno;
98
if (subprogram_name[0]) {
99
ds_put_format(&ds, "%s(%s): ", program_name,subprogram_name);
101
ds_put_format(&ds, "%s: ", program_name);
105
ds_put_format_valist(&ds, fmt, args);
109
ds_put_format(&ds, " (%s)", ovs_retval_to_string(err_no));
111
ds_put_cstr(&ds, "\n");
113
dpctl_puts(dpctl_p, true, ds_cstr(&ds));
120
static int dpctl_add_if(int argc, const char *argv[], struct dpctl_params *);
123
if_up(struct netdev *netdev)
125
return netdev_turn_flags_on(netdev, NETDEV_UP, NULL);
128
/* Retrieve the name of the datapath if exactly one exists. The caller
129
* is responsible for freeing the returned string. If there is not one
130
* datapath, aborts with an error message. */
132
get_one_dp(struct dpctl_params *dpctl_p)
136
char *dp_name = NULL;
140
dp_enumerate_types(&types);
141
SSET_FOR_EACH (type, &types) {
145
if (!dp_enumerate_names(type, &names)) {
146
count += sset_count(&names);
147
if (!dp_name && count == 1) {
148
dp_name = xasprintf("%s@%s", type, SSET_FIRST(&names));
151
sset_destroy(&names);
153
sset_destroy(&types);
156
dpctl_error(dpctl_p, 0, "no datapaths exist");
157
} else if (count > 1) {
158
dpctl_error(dpctl_p, 0, "multiple datapaths, specify one");
167
parsed_dpif_open(const char *arg_, bool create, struct dpif **dpifp)
172
dp_parse_name(arg_, &name, &type);
175
result = dpif_create(name, type, dpifp);
177
result = dpif_open(name, type, dpifp);
186
dpctl_add_dp(int argc, const char *argv[],
187
struct dpctl_params *dpctl_p)
192
error = parsed_dpif_open(argv[1], true, &dpif);
194
dpctl_error(dpctl_p, error, "add_dp");
199
error = dpctl_add_if(argc, argv, dpctl_p);
205
dpctl_del_dp(int argc OVS_UNUSED, const char *argv[],
206
struct dpctl_params *dpctl_p)
211
error = parsed_dpif_open(argv[1], false, &dpif);
213
dpctl_error(dpctl_p, error, "opening datapath");
216
error = dpif_delete(dpif);
218
dpctl_error(dpctl_p, error, "del_dp");
226
dpctl_add_if(int argc OVS_UNUSED, const char *argv[],
227
struct dpctl_params *dpctl_p)
230
int i, error, lasterror = 0;
232
error = parsed_dpif_open(argv[1], false, &dpif);
234
dpctl_error(dpctl_p, error, "opening datapath");
237
for (i = 2; i < argc; i++) {
238
const char *name, *type;
239
char *save_ptr = NULL, *argcopy;
240
struct netdev *netdev = NULL;
242
odp_port_t port_no = ODPP_NONE;
245
argcopy = xstrdup(argv[i]);
246
name = strtok_r(argcopy, ",", &save_ptr);
250
dpctl_error(dpctl_p, 0, "%s is not a valid network device name",
257
while ((option = strtok_r(NULL, ",", &save_ptr)) != NULL) {
258
char *save_ptr_2 = NULL;
261
key = strtok_r(option, "=", &save_ptr_2);
262
value = strtok_r(NULL, "", &save_ptr_2);
267
if (!strcmp(key, "type")) {
269
} else if (!strcmp(key, "port_no")) {
270
port_no = u32_to_odp(atoi(value));
271
} else if (!smap_add_once(&args, key, value)) {
272
dpctl_error(dpctl_p, 0, "duplicate \"%s\" option", key);
276
error = netdev_open(name, type, &netdev);
278
dpctl_error(dpctl_p, error, "%s: failed to open network device",
280
goto next_destroy_args;
283
error = netdev_set_config(netdev, &args, NULL);
285
goto next_destroy_args;
288
error = dpif_port_add(dpif, netdev, &port_no);
290
dpctl_error(dpctl_p, error, "adding %s to %s failed", name,
292
goto next_destroy_args;
295
error = if_up(netdev);
297
dpctl_error(dpctl_p, error, "%s: failed bringing interface up",
302
netdev_close(netdev);
316
dpctl_set_if(int argc, const char *argv[], struct dpctl_params *dpctl_p)
319
int i, error, lasterror = 0;
321
error = parsed_dpif_open(argv[1], false, &dpif);
323
dpctl_error(dpctl_p, error, "opening datapath");
326
for (i = 2; i < argc; i++) {
327
struct netdev *netdev = NULL;
328
struct dpif_port dpif_port;
329
char *save_ptr = NULL;
338
argcopy = xstrdup(argv[i]);
339
name = strtok_r(argcopy, ",", &save_ptr);
341
dpctl_error(dpctl_p, 0, "%s is not a valid network device name",
346
/* Get the port's type from the datapath. */
347
error = dpif_port_query_by_name(dpif, name, &dpif_port);
349
dpctl_error(dpctl_p, error, "%s: failed to query port in %s", name,
353
type = xstrdup(dpif_port.type);
354
port_no = dpif_port.port_no;
355
dpif_port_destroy(&dpif_port);
357
/* Retrieve its existing configuration. */
358
error = netdev_open(name, type, &netdev);
360
dpctl_error(dpctl_p, error, "%s: failed to open network device",
366
error = netdev_get_config(netdev, &args);
368
dpctl_error(dpctl_p, error, "%s: failed to fetch configuration",
370
goto next_destroy_args;
373
/* Parse changes to configuration. */
374
while ((option = strtok_r(NULL, ",", &save_ptr)) != NULL) {
375
char *save_ptr_2 = NULL;
378
key = strtok_r(option, "=", &save_ptr_2);
379
value = strtok_r(NULL, "", &save_ptr_2);
384
if (!strcmp(key, "type")) {
385
if (strcmp(value, type)) {
386
dpctl_error(dpctl_p, 0,
387
"%s: can't change type from %s to %s",
390
goto next_destroy_args;
392
} else if (!strcmp(key, "port_no")) {
393
if (port_no != u32_to_odp(atoi(value))) {
394
dpctl_error(dpctl_p, 0, "%s: can't change port number from"
395
" %"PRIu32" to %d", name, port_no, atoi(value));
397
goto next_destroy_args;
399
} else if (value[0] == '\0') {
400
smap_remove(&args, key);
402
smap_replace(&args, key, value);
406
/* Update configuration. */
408
error = netdev_set_config(netdev, &args, &err_s);
409
if (err_s || error) {
410
dpctl_error(dpctl_p, error, "%s",
411
err_s ? err_s : "Error updating configuration");
415
goto next_destroy_args;
421
netdev_close(netdev);
434
get_port_number(struct dpif *dpif, const char *name, odp_port_t *port,
435
struct dpctl_params *dpctl_p)
437
struct dpif_port dpif_port;
439
if (!dpif_port_query_by_name(dpif, name, &dpif_port)) {
440
*port = dpif_port.port_no;
441
dpif_port_destroy(&dpif_port);
444
dpctl_error(dpctl_p, 0, "no port named %s", name);
450
dpctl_del_if(int argc, const char *argv[], struct dpctl_params *dpctl_p)
453
int i, error, lasterror = 0;
455
error = parsed_dpif_open(argv[1], false, &dpif);
457
dpctl_error(dpctl_p, error, "opening datapath");
460
for (i = 2; i < argc; i++) {
461
const char *name = argv[i];
464
if (!name[strspn(name, "0123456789")]) {
465
port = u32_to_odp(atoi(name));
466
} else if (!get_port_number(dpif, name, &port, dpctl_p)) {
471
error = dpif_port_del(dpif, port);
473
dpctl_error(dpctl_p, error, "deleting port %s from %s failed",
483
print_stat(struct dpctl_params *dpctl_p, const char *leader, uint64_t value)
485
dpctl_print(dpctl_p, "%s", leader);
486
if (value != UINT64_MAX) {
487
dpctl_print(dpctl_p, "%"PRIu64, value);
489
dpctl_print(dpctl_p, "?");
494
print_human_size(struct dpctl_params *dpctl_p, uint64_t value)
496
if (value == UINT64_MAX) {
498
} else if (value >= 1024ULL * 1024 * 1024 * 1024) {
499
dpctl_print(dpctl_p, " (%.1f TiB)",
500
value / (1024.0 * 1024 * 1024 * 1024));
501
} else if (value >= 1024ULL * 1024 * 1024) {
502
dpctl_print(dpctl_p, " (%.1f GiB)", value / (1024.0 * 1024 * 1024));
503
} else if (value >= 1024ULL * 1024) {
504
dpctl_print(dpctl_p, " (%.1f MiB)", value / (1024.0 * 1024));
505
} else if (value >= 1024) {
506
dpctl_print(dpctl_p, " (%.1f KiB)", value / 1024.0);
511
show_dpif(struct dpif *dpif, struct dpctl_params *dpctl_p)
513
struct dpif_port_dump dump;
514
struct dpif_port dpif_port;
515
struct dpif_dp_stats stats;
516
struct netdev *netdev;
518
dpctl_print(dpctl_p, "%s:\n", dpif_name(dpif));
519
if (!dpif_get_dp_stats(dpif, &stats)) {
520
dpctl_print(dpctl_p, "\tlookups: hit:%"PRIu64" missed:%"PRIu64
521
" lost:%"PRIu64"\n\tflows: %"PRIu64"\n",
522
stats.n_hit, stats.n_missed, stats.n_lost, stats.n_flows);
523
if (stats.n_masks != UINT32_MAX) {
524
uint64_t n_pkts = stats.n_hit + stats.n_missed;
525
double avg = n_pkts ? (double) stats.n_mask_hit / n_pkts : 0.0;
527
dpctl_print(dpctl_p, "\tmasks: hit:%"PRIu64" total:%"PRIu32
529
stats.n_mask_hit, stats.n_masks, avg);
533
DPIF_PORT_FOR_EACH (&dpif_port, &dump, dpif) {
534
dpctl_print(dpctl_p, "\tport %u: %s",
535
dpif_port.port_no, dpif_port.name);
537
if (strcmp(dpif_port.type, "system")) {
540
dpctl_print(dpctl_p, " (%s", dpif_port.type);
542
error = netdev_open(dpif_port.name, dpif_port.type, &netdev);
547
error = netdev_get_config(netdev, &config);
549
const struct smap_node **nodes;
552
nodes = smap_sort(&config);
553
for (i = 0; i < smap_count(&config); i++) {
554
const struct smap_node *node = nodes[i];
555
dpctl_print(dpctl_p, "%c %s=%s", i ? ',' : ':',
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node->key, node->value);
560
dpctl_print(dpctl_p, ", could not retrieve configuration "
561
"(%s)", ovs_strerror(error));
563
smap_destroy(&config);
565
netdev_close(netdev);
567
dpctl_print(dpctl_p, ": open failed (%s)",
568
ovs_strerror(error));
570
dpctl_print(dpctl_p, ")");
572
dpctl_print(dpctl_p, "\n");
574
if (dpctl_p->print_statistics) {
575
struct netdev_stats s;
578
error = netdev_open(dpif_port.name, dpif_port.type, &netdev);
580
dpctl_print(dpctl_p, ", open failed (%s)",
581
ovs_strerror(error));
584
error = netdev_get_stats(netdev, &s);
586
netdev_close(netdev);
587
print_stat(dpctl_p, "\t\tRX packets:", s.rx_packets);
588
print_stat(dpctl_p, " errors:", s.rx_errors);
589
print_stat(dpctl_p, " dropped:", s.rx_dropped);
590
print_stat(dpctl_p, " overruns:", s.rx_over_errors);
591
print_stat(dpctl_p, " frame:", s.rx_frame_errors);
592
dpctl_print(dpctl_p, "\n");
594
print_stat(dpctl_p, "\t\tTX packets:", s.tx_packets);
595
print_stat(dpctl_p, " errors:", s.tx_errors);
596
print_stat(dpctl_p, " dropped:", s.tx_dropped);
597
print_stat(dpctl_p, " aborted:", s.tx_aborted_errors);
598
print_stat(dpctl_p, " carrier:", s.tx_carrier_errors);
599
dpctl_print(dpctl_p, "\n");
601
print_stat(dpctl_p, "\t\tcollisions:", s.collisions);
602
dpctl_print(dpctl_p, "\n");
604
print_stat(dpctl_p, "\t\tRX bytes:", s.rx_bytes);
605
print_human_size(dpctl_p, s.rx_bytes);
606
print_stat(dpctl_p, " TX bytes:", s.tx_bytes);
607
print_human_size(dpctl_p, s.tx_bytes);
608
dpctl_print(dpctl_p, "\n");
610
dpctl_print(dpctl_p, ", could not retrieve stats (%s)",
611
ovs_strerror(error));
617
typedef void (*dps_for_each_cb)(struct dpif *, struct dpctl_params *);
620
dps_for_each(struct dpctl_params *dpctl_p, dps_for_each_cb cb)
622
struct sset dpif_names = SSET_INITIALIZER(&dpif_names),
623
dpif_types = SSET_INITIALIZER(&dpif_types);
624
int error, openerror = 0, enumerror = 0;
625
const char *type, *name;
626
bool at_least_one = false;
628
dp_enumerate_types(&dpif_types);
630
SSET_FOR_EACH (type, &dpif_types) {
631
error = dp_enumerate_names(type, &dpif_names);
636
SSET_FOR_EACH (name, &dpif_names) {
640
error = dpif_open(name, type, &dpif);
646
dpctl_error(dpctl_p, error, "opening datapath %s failed",
652
sset_destroy(&dpif_names);
653
sset_destroy(&dpif_types);
655
/* If there has been an error while opening a datapath it should be
656
* reported. Otherwise, we want to ignore the errors generated by
657
* dp_enumerate_names() if at least one datapath has been discovered,
658
* because they're not interesting for the user. This happens, for
659
* example, if OVS is using a userspace datapath and the kernel module
664
return at_least_one ? 0 : enumerror;
669
dpctl_show(int argc, const char *argv[], struct dpctl_params *dpctl_p)
671
int error, lasterror = 0;
674
for (i = 1; i < argc; i++) {
675
const char *name = argv[i];
678
error = parsed_dpif_open(name, false, &dpif);
680
show_dpif(dpif, dpctl_p);
683
dpctl_error(dpctl_p, error, "opening datapath %s failed",
689
lasterror = dps_for_each(dpctl_p, show_dpif);
696
dump_cb(struct dpif *dpif, struct dpctl_params *dpctl_p)
698
dpctl_print(dpctl_p, "%s\n", dpif_name(dpif));
702
dpctl_dump_dps(int argc OVS_UNUSED, const char *argv[] OVS_UNUSED,
703
struct dpctl_params *dpctl_p)
705
return dps_for_each(dpctl_p, dump_cb);
709
format_dpif_flow(struct ds *ds, const struct dpif_flow *f, struct hmap *ports,
710
struct dpctl_params *dpctl_p)
712
if (dpctl_p->verbosity && f->ufid_present) {
713
odp_format_ufid(&f->ufid, ds);
714
ds_put_cstr(ds, ", ");
716
odp_flow_format(f->key, f->key_len, f->mask, f->mask_len, ports, ds,
718
ds_put_cstr(ds, ", ");
720
dpif_flow_stats_format(&f->stats, ds);
721
ds_put_cstr(ds, ", actions:");
722
format_odp_actions(ds, f->actions, f->actions_len);
726
dpctl_dump_flows(int argc, const char *argv[], struct dpctl_params *dpctl_p)
733
struct flow flow_filter;
734
struct flow_wildcards wc_filter;
736
struct dpif_port_dump port_dump;
737
struct dpif_port dpif_port;
738
struct hmap portno_names;
739
struct simap names_portno;
741
struct dpif_flow_dump_thread *flow_dump_thread;
742
struct dpif_flow_dump *flow_dump;
744
int pmd_id = PMD_ID_NULL;
747
if (argc > 1 && !strncmp(argv[argc - 1], "filter=", 7)) {
748
filter = xstrdup(argv[--argc] + 7);
750
name = (argc == 2) ? xstrdup(argv[1]) : get_one_dp(dpctl_p);
756
error = parsed_dpif_open(name, false, &dpif);
759
dpctl_error(dpctl_p, error, "opening datapath");
764
hmap_init(&portno_names);
765
simap_init(&names_portno);
766
DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, dpif) {
767
odp_portno_names_set(&portno_names, dpif_port.port_no, dpif_port.name);
768
simap_put(&names_portno, dpif_port.name,
769
odp_to_u32(dpif_port.port_no));
773
char *err = parse_ofp_exact_flow(&flow_filter, &wc_filter.masks,
774
filter, &names_portno);
776
dpctl_error(dpctl_p, 0, "Failed to parse filter (%s)", err);
782
/* Make sure that these values are different. PMD_ID_NULL means that the
783
* pmd is unspecified (e.g. because the datapath doesn't have different
784
* pmd threads), while NON_PMD_CORE_ID refers to every non pmd threads
785
* in the userspace datapath */
786
BUILD_ASSERT(PMD_ID_NULL != NON_PMD_CORE_ID);
789
flow_dump = dpif_flow_dump_create(dpif, false);
790
flow_dump_thread = dpif_flow_dump_thread_create(flow_dump);
791
while (dpif_flow_dump_next(flow_dump_thread, &f, 1)) {
794
struct flow_wildcards wc;
795
struct match match, match_filter;
796
struct minimatch minimatch;
798
odp_flow_key_to_flow(f.key, f.key_len, &flow);
799
odp_flow_key_to_mask(f.mask, f.mask_len, &wc.masks, &flow);
800
match_init(&match, &flow, &wc);
802
match_init(&match_filter, &flow_filter, &wc);
803
match_init(&match_filter, &match_filter.flow, &wc_filter);
804
minimatch_init(&minimatch, &match_filter);
806
if (!minimatch_matches_flow(&minimatch, &match.flow)) {
807
minimatch_destroy(&minimatch);
810
minimatch_destroy(&minimatch);
813
/* If 'pmd_id' is specified, overlapping flows could be dumped from
814
* different pmd threads. So, separates dumps from different pmds
815
* by printing a title line. */
816
if (pmd_id != f.pmd_id) {
817
if (f.pmd_id == NON_PMD_CORE_ID) {
818
ds_put_format(&ds, "flow-dump from non-dpdk interfaces:\n");
820
ds_put_format(&ds, "flow-dump from pmd on cpu core: %d\n",
825
format_dpif_flow(&ds, &f, &portno_names, dpctl_p);
826
dpctl_print(dpctl_p, "%s\n", ds_cstr(&ds));
828
dpif_flow_dump_thread_destroy(flow_dump_thread);
829
error = dpif_flow_dump_destroy(flow_dump);
832
dpctl_error(dpctl_p, error, "Failed to dump flows from datapath");
837
odp_portno_names_destroy(&portno_names);
838
simap_destroy(&names_portno);
839
hmap_destroy(&portno_names);
846
/* Extracts the in_port from the parsed keys, and returns the reference
847
* to the 'struct netdev *' of the dpif port. On error, returns NULL.
848
* Users must call 'netdev_close()' after finish using the returned
850
static struct netdev *
851
get_in_port_netdev_from_key(struct dpif *dpif, const struct ofpbuf *key)
853
const struct nlattr *in_port_nla;
854
struct netdev *dev = NULL;
856
in_port_nla = nl_attr_find(key, 0, OVS_KEY_ATTR_IN_PORT);
858
struct dpif_port dpif_port;
862
port_no = ODP_PORT_C(nl_attr_get_u32(in_port_nla));
863
error = dpif_port_query_by_number(dpif, port_no, &dpif_port);
868
netdev_open(dpif_port.name, dpif_port.type, &dev);
869
dpif_port_destroy(&dpif_port);
877
dpctl_put_flow(int argc, const char *argv[], enum dpif_flow_put_flags flags,
878
struct dpctl_params *dpctl_p)
880
const char *key_s = argv[argc - 2];
881
const char *actions_s = argv[argc - 1];
882
struct netdev *in_port_netdev = NULL;
883
struct dpif_flow_stats stats;
884
struct dpif_port dpif_port;
885
struct dpif_port_dump port_dump;
886
struct ofpbuf actions;
893
struct simap port_names;
896
dp_name = argc == 4 ? xstrdup(argv[1]) : get_one_dp(dpctl_p);
900
error = parsed_dpif_open(dp_name, false, &dpif);
903
dpctl_error(dpctl_p, error, "opening datapath");
907
ufid_present = false;
908
n = odp_ufid_from_string(key_s, &ufid);
910
dpctl_error(dpctl_p, -n, "parsing flow ufid");
917
simap_init(&port_names);
918
DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, dpif) {
919
simap_put(&port_names, dpif_port.name, odp_to_u32(dpif_port.port_no));
922
ofpbuf_init(&key, 0);
923
ofpbuf_init(&mask, 0);
924
error = odp_flow_from_string(key_s, &port_names, &key, &mask);
925
simap_destroy(&port_names);
927
dpctl_error(dpctl_p, error, "parsing flow key");
928
goto out_freekeymask;
931
ofpbuf_init(&actions, 0);
932
error = odp_actions_from_string(actions_s, NULL, &actions);
934
dpctl_error(dpctl_p, error, "parsing actions");
935
goto out_freeactions;
938
/* For DPDK interface, applies the operation to all pmd threads
939
* on the same numa node. */
940
in_port_netdev = get_in_port_netdev_from_key(dpif, &key);
941
if (in_port_netdev && netdev_is_pmd(in_port_netdev)) {
944
numa_id = netdev_get_numa_id(in_port_netdev);
945
if (ovs_numa_numa_id_is_valid(numa_id)) {
946
struct ovs_numa_dump *dump = ovs_numa_dump_cores_on_numa(numa_id);
947
struct ovs_numa_info *iter;
949
FOR_EACH_CORE_ON_NUMA (iter, dump) {
950
if (ovs_numa_core_is_pinned(iter->core_id)) {
951
error = dpif_flow_put(dpif, flags,
953
mask.size == 0 ? NULL : mask.data,
954
mask.size, actions.data,
955
actions.size, ufid_present ? &ufid : NULL,
956
iter->core_id, dpctl_p->print_statistics ? &stats : NULL);
959
ovs_numa_dump_destroy(dump);
964
error = dpif_flow_put(dpif, flags,
966
mask.size == 0 ? NULL : mask.data,
967
mask.size, actions.data,
968
actions.size, ufid_present ? &ufid : NULL,
969
PMD_ID_NULL, dpctl_p->print_statistics ? &stats : NULL);
972
dpctl_error(dpctl_p, error, "updating flow table");
973
goto out_freeactions;
976
if (dpctl_p->print_statistics) {
980
dpif_flow_stats_format(&stats, &s);
981
dpctl_print(dpctl_p, "%s\n", ds_cstr(&s));
986
ofpbuf_uninit(&actions);
988
ofpbuf_uninit(&mask);
991
netdev_close(in_port_netdev);
996
dpctl_add_flow(int argc, const char *argv[], struct dpctl_params *dpctl_p)
998
return dpctl_put_flow(argc, argv, DPIF_FP_CREATE, dpctl_p);
1002
dpctl_mod_flow(int argc, const char *argv[], struct dpctl_params *dpctl_p)
1004
enum dpif_flow_put_flags flags;
1006
flags = DPIF_FP_MODIFY;
1007
if (dpctl_p->may_create) {
1008
flags |= DPIF_FP_CREATE;
1010
if (dpctl_p->zero_statistics) {
1011
flags |= DPIF_FP_ZERO_STATS;
1014
return dpctl_put_flow(argc, argv, flags, dpctl_p);
1018
dpctl_get_flow(int argc, const char *argv[], struct dpctl_params *dpctl_p)
1020
const char *key_s = argv[argc - 1];
1021
struct dpif_flow flow;
1022
struct dpif_port dpif_port;
1023
struct dpif_port_dump port_dump;
1026
struct hmap portno_names;
1029
uint64_t stub[DPIF_FLOW_BUFSIZE / 8];
1033
dp_name = argc == 3 ? xstrdup(argv[1]) : get_one_dp(dpctl_p);
1037
error = parsed_dpif_open(dp_name, false, &dpif);
1040
dpctl_error(dpctl_p, error, "opening datapath");
1044
ofpbuf_use_stub(&buf, &stub, sizeof stub);
1045
hmap_init(&portno_names);
1046
DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, dpif) {
1047
odp_portno_names_set(&portno_names, dpif_port.port_no, dpif_port.name);
1050
n = odp_ufid_from_string(key_s, &ufid);
1052
dpctl_error(dpctl_p, -n, "parsing flow ufid");
1056
/* Does not work for DPDK, since do not know which 'pmd' to apply the
1057
* operation. So, just uses PMD_ID_NULL. */
1058
error = dpif_flow_get(dpif, NULL, 0, &ufid, PMD_ID_NULL, &buf, &flow);
1060
dpctl_error(dpctl_p, error, "getting flow");
1065
format_dpif_flow(&ds, &flow, &portno_names, dpctl_p);
1066
dpctl_print(dpctl_p, "%s\n", ds_cstr(&ds));
1070
odp_portno_names_destroy(&portno_names);
1071
hmap_destroy(&portno_names);
1072
ofpbuf_uninit(&buf);
1078
dpctl_del_flow(int argc, const char *argv[], struct dpctl_params *dpctl_p)
1080
const char *key_s = argv[argc - 1];
1081
struct netdev *in_port_netdev = NULL;
1082
struct dpif_flow_stats stats;
1083
struct dpif_port dpif_port;
1084
struct dpif_port_dump port_dump;
1086
struct ofpbuf mask; /* To be ignored. */
1091
struct simap port_names;
1094
dp_name = argc == 3 ? xstrdup(argv[1]) : get_one_dp(dpctl_p);
1098
error = parsed_dpif_open(dp_name, false, &dpif);
1101
dpctl_error(dpctl_p, error, "opening datapath");
1105
ufid_present = false;
1106
n = odp_ufid_from_string(key_s, &ufid);
1108
dpctl_error(dpctl_p, -n, "parsing flow ufid");
1112
ufid_present = true;
1115
simap_init(&port_names);
1116
DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, dpif) {
1117
simap_put(&port_names, dpif_port.name, odp_to_u32(dpif_port.port_no));
1120
ofpbuf_init(&key, 0);
1121
ofpbuf_init(&mask, 0);
1123
error = odp_flow_from_string(key_s, &port_names, &key, &mask);
1125
dpctl_error(dpctl_p, error, "parsing flow key");
1129
/* For DPDK interface, applies the operation to all pmd threads
1130
* on the same numa node. */
1131
in_port_netdev = get_in_port_netdev_from_key(dpif, &key);
1132
if (in_port_netdev && netdev_is_pmd(in_port_netdev)) {
1135
numa_id = netdev_get_numa_id(in_port_netdev);
1136
if (ovs_numa_numa_id_is_valid(numa_id)) {
1137
struct ovs_numa_dump *dump = ovs_numa_dump_cores_on_numa(numa_id);
1138
struct ovs_numa_info *iter;
1140
FOR_EACH_CORE_ON_NUMA (iter, dump) {
1141
if (ovs_numa_core_is_pinned(iter->core_id)) {
1142
error = dpif_flow_del(dpif, key.data,
1143
key.size, ufid_present ? &ufid : NULL,
1144
iter->core_id, dpctl_p->print_statistics ? &stats : NULL);
1147
ovs_numa_dump_destroy(dump);
1152
error = dpif_flow_del(dpif, key.data, key.size,
1153
ufid_present ? &ufid : NULL, PMD_ID_NULL,
1154
dpctl_p->print_statistics ? &stats : NULL);
1157
dpctl_error(dpctl_p, error, "deleting flow");
1158
if (error == ENOENT && !ufid_present) {
1162
ds_put_format(&s, "Perhaps you need to specify a UFID?");
1163
dpctl_print(dpctl_p, "%s\n", ds_cstr(&s));
1169
if (dpctl_p->print_statistics) {
1173
dpif_flow_stats_format(&stats, &s);
1174
dpctl_print(dpctl_p, "%s\n", ds_cstr(&s));
1179
ofpbuf_uninit(&mask);
1180
ofpbuf_uninit(&key);
1181
simap_destroy(&port_names);
1183
netdev_close(in_port_netdev);
1188
dpctl_del_flows(int argc, const char *argv[], struct dpctl_params *dpctl_p)
1194
name = (argc == 2) ? xstrdup(argv[1]) : get_one_dp(dpctl_p);
1198
error = parsed_dpif_open(name, false, &dpif);
1201
dpctl_error(dpctl_p, error, "opening datapath");
1205
error = dpif_flow_flush(dpif);
1207
dpctl_error(dpctl_p, error, "deleting all flows");
1214
dpctl_help(int argc OVS_UNUSED, const char *argv[] OVS_UNUSED,
1215
struct dpctl_params *dpctl_p)
1217
if (dpctl_p->usage) {
1218
dpctl_p->usage(dpctl_p->aux);
1225
dpctl_list_commands(int argc OVS_UNUSED, const char *argv[] OVS_UNUSED,
1226
struct dpctl_params *dpctl_p)
1228
struct ds ds = DS_EMPTY_INITIALIZER;
1229
const struct dpctl_command *commands = get_all_dpctl_commands();
1231
ds_put_cstr(&ds, "The available commands are:\n");
1232
for (; commands->name; commands++) {
1233
const struct dpctl_command *c = commands;
1235
ds_put_format(&ds, " %s%-23s %s\n", dpctl_p->is_appctl ? "dpctl/" : "",
1238
dpctl_puts(dpctl_p, false, ds.string);
1244
/* Undocumented commands for unit testing. */
1247
dpctl_parse_actions(int argc, const char *argv[], struct dpctl_params* dpctl_p)
1251
for (i = 1; i < argc; i++) {
1252
struct ofpbuf actions;
1255
ofpbuf_init(&actions, 0);
1256
error = odp_actions_from_string(argv[i], NULL, &actions);
1259
ofpbuf_uninit(&actions);
1260
dpctl_error(dpctl_p, error, "odp_actions_from_string");
1265
format_odp_actions(&s, actions.data, actions.size);
1266
dpctl_print(dpctl_p, "%s\n", ds_cstr(&s));
1269
ofpbuf_uninit(&actions);
1275
struct actions_for_flow {
1276
struct hmap_node hmap_node;
1278
struct ofpbuf actions;
1281
static struct actions_for_flow *
1282
get_actions_for_flow(struct hmap *actions_per_flow, const struct flow *flow)
1284
uint32_t hash = flow_hash(flow, 0);
1285
struct actions_for_flow *af;
1287
HMAP_FOR_EACH_WITH_HASH (af, hmap_node, hash, actions_per_flow) {
1288
if (flow_equal(&af->flow, flow)) {
1293
af = xmalloc(sizeof *af);
1295
ofpbuf_init(&af->actions, 0);
1296
hmap_insert(actions_per_flow, &af->hmap_node, hash);
1301
compare_actions_for_flow(const void *a_, const void *b_)
1303
struct actions_for_flow *const *a = a_;
1304
struct actions_for_flow *const *b = b_;
1306
return flow_compare_3way(&(*a)->flow, &(*b)->flow);
1310
compare_output_actions(const void *a_, const void *b_)
1312
const struct nlattr *a = a_;
1313
const struct nlattr *b = b_;
1314
uint32_t a_port = nl_attr_get_u32(a);
1315
uint32_t b_port = nl_attr_get_u32(b);
1317
return a_port < b_port ? -1 : a_port > b_port;
1321
sort_output_actions__(struct nlattr *first, struct nlattr *end)
1323
size_t bytes = (uint8_t *) end - (uint8_t *) first;
1324
size_t n = bytes / NL_A_U32_SIZE;
1326
ovs_assert(bytes % NL_A_U32_SIZE == 0);
1327
qsort(first, n, NL_A_U32_SIZE, compare_output_actions);
1331
sort_output_actions(struct nlattr *actions, size_t length)
1333
struct nlattr *first_output = NULL;
1337
NL_ATTR_FOR_EACH (a, left, actions, length) {
1338
if (nl_attr_type(a) == OVS_ACTION_ATTR_OUTPUT) {
1339
if (!first_output) {
1344
sort_output_actions__(first_output, a);
1345
first_output = NULL;
1350
uint8_t *end = (uint8_t *) actions + length;
1351
sort_output_actions__(first_output,
1352
ALIGNED_CAST(struct nlattr *, end));
1356
/* usage: "ovs-dpctl normalize-actions FLOW ACTIONS" where FLOW and ACTIONS
1357
* have the syntax used by "ovs-dpctl dump-flows".
1359
* This command prints ACTIONS in a format that shows what happens for each
1360
* VLAN, independent of the order of the ACTIONS. For example, there is more
1361
* than one way to output a packet on VLANs 9 and 11, but this command will
1362
* print the same output for any form.
1364
* The idea here generalizes beyond VLANs (e.g. to setting other fields) but
1365
* so far the implementation only covers VLANs. */
1367
dpctl_normalize_actions(int argc, const char *argv[],
1368
struct dpctl_params *dpctl_p)
1370
struct simap port_names;
1371
struct ofpbuf keybuf;
1373
struct ofpbuf odp_actions;
1374
struct hmap actions_per_flow;
1375
struct actions_for_flow **afs;
1376
struct actions_for_flow *af;
1385
simap_init(&port_names);
1386
for (i = 3; i < argc; i++) {
1390
if (ovs_scan(argv[i], "%15[^=]=%d", name, &number)) {
1391
uintptr_t n = number;
1392
simap_put(&port_names, name, n);
1394
dpctl_error(dpctl_p, 0, "%s: expected NAME=NUMBER", argv[i]);
1400
/* Parse flow key. */
1401
ofpbuf_init(&keybuf, 0);
1402
error = odp_flow_from_string(argv[1], &port_names, &keybuf, NULL);
1404
dpctl_error(dpctl_p, error, "odp_flow_key_from_string");
1405
goto out_freekeybuf;
1409
odp_flow_format(keybuf.data, keybuf.size, NULL, 0, NULL,
1410
&s, dpctl_p->verbosity);
1411
dpctl_print(dpctl_p, "input flow: %s\n", ds_cstr(&s));
1413
error = odp_flow_key_to_flow(keybuf.data, keybuf.size, &flow);
1415
dpctl_error(dpctl_p, error, "odp_flow_key_to_flow");
1416
goto out_freekeybuf;
1419
/* Parse actions. */
1420
ofpbuf_init(&odp_actions, 0);
1421
error = odp_actions_from_string(argv[2], &port_names, &odp_actions);
1423
dpctl_error(dpctl_p, error, "odp_actions_from_string");
1424
goto out_freeactions;
1427
if (dpctl_p->verbosity) {
1429
format_odp_actions(&s, odp_actions.data, odp_actions.size);
1430
dpctl_print(dpctl_p, "input actions: %s\n", ds_cstr(&s));
1433
hmap_init(&actions_per_flow);
1434
NL_ATTR_FOR_EACH (a, left, odp_actions.data, odp_actions.size) {
1435
const struct ovs_action_push_vlan *push;
1436
switch(nl_attr_type(a)) {
1437
case OVS_ACTION_ATTR_POP_VLAN:
1438
flow.vlan_tci = htons(0);
1441
case OVS_ACTION_ATTR_PUSH_VLAN:
1442
push = nl_attr_get_unspec(a, sizeof *push);
1443
flow.vlan_tci = push->vlan_tci;
1447
af = get_actions_for_flow(&actions_per_flow, &flow);
1448
nl_msg_put_unspec(&af->actions, nl_attr_type(a),
1449
nl_attr_get(a), nl_attr_get_size(a));
1452
n_afs = hmap_count(&actions_per_flow);
1453
afs = xmalloc(n_afs * sizeof *afs);
1455
HMAP_FOR_EACH (af, hmap_node, &actions_per_flow) {
1459
ovs_assert(i == n_afs);
1460
hmap_destroy(&actions_per_flow);
1462
qsort(afs, n_afs, sizeof *afs, compare_actions_for_flow);
1464
for (i = 0; i < n_afs; i++) {
1465
struct actions_for_flow *af = afs[i];
1467
sort_output_actions(af->actions.data, af->actions.size);
1469
if (af->flow.vlan_tci != htons(0)) {
1470
dpctl_print(dpctl_p, "vlan(vid=%"PRIu16",pcp=%d): ",
1471
vlan_tci_to_vid(af->flow.vlan_tci),
1472
vlan_tci_to_pcp(af->flow.vlan_tci));
1474
dpctl_print(dpctl_p, "no vlan: ");
1477
if (eth_type_mpls(af->flow.dl_type)) {
1478
dpctl_print(dpctl_p, "mpls(label=%"PRIu32",tc=%d,ttl=%d): ",
1479
mpls_lse_to_label(af->flow.mpls_lse[0]),
1480
mpls_lse_to_tc(af->flow.mpls_lse[0]),
1481
mpls_lse_to_ttl(af->flow.mpls_lse[0]));
1483
dpctl_print(dpctl_p, "no mpls: ");
1487
format_odp_actions(&s, af->actions.data, af->actions.size);
1488
dpctl_puts(dpctl_p, false, ds_cstr(&s));
1490
ofpbuf_uninit(&af->actions);
1497
ofpbuf_uninit(&odp_actions);
1499
ofpbuf_uninit(&keybuf);
1501
simap_destroy(&port_names);
1507
static const struct dpctl_command all_commands[] = {
1508
{ "add-dp", "add-dp dp [iface...]", 1, INT_MAX, dpctl_add_dp },
1509
{ "del-dp", "del-dp dp", 1, 1, dpctl_del_dp },
1510
{ "add-if", "add-if dp iface...", 2, INT_MAX, dpctl_add_if },
1511
{ "del-if", "del-if dp iface...", 2, INT_MAX, dpctl_del_if },
1512
{ "set-if", "set-if dp iface...", 2, INT_MAX, dpctl_set_if },
1513
{ "dump-dps", "", 0, 0, dpctl_dump_dps },
1514
{ "show", "[dp...]", 0, INT_MAX, dpctl_show },
1515
{ "dump-flows", "[dp]", 0, 2, dpctl_dump_flows },
1516
{ "add-flow", "add-flow [dp] flow actions", 2, 3, dpctl_add_flow },
1517
{ "mod-flow", "mod-flow [dp] flow actions", 2, 3, dpctl_mod_flow },
1518
{ "get-flow", "get-flow [dp] ufid", 1, 2, dpctl_get_flow },
1519
{ "del-flow", "del-flow [dp] flow", 1, 2, dpctl_del_flow },
1520
{ "del-flows", "[dp]", 0, 1, dpctl_del_flows },
1521
{ "help", "", 0, INT_MAX, dpctl_help },
1522
{ "list-commands", "", 0, INT_MAX, dpctl_list_commands },
1524
/* Undocumented commands for testing. */
1525
{ "parse-actions", "actions", 1, INT_MAX, dpctl_parse_actions },
1526
{ "normalize-actions", "actions", 2, INT_MAX, dpctl_normalize_actions },
1528
{ NULL, NULL, 0, 0, NULL },
1531
static const struct dpctl_command *get_all_dpctl_commands(void)
1533
return all_commands;
1536
/* Runs the command designated by argv[0] within the command table specified by
1537
* 'commands', which must be terminated by a command whose 'name' member is a
1540
dpctl_run_command(int argc, const char *argv[], struct dpctl_params *dpctl_p)
1542
const struct dpctl_command *p;
1545
dpctl_error(dpctl_p, 0, "missing command name; use --help for help");
1549
for (p = all_commands; p->name != NULL; p++) {
1550
if (!strcmp(p->name, argv[0])) {
1551
int n_arg = argc - 1;
1552
if (n_arg < p->min_args) {
1553
dpctl_error(dpctl_p, 0,
1554
"'%s' command requires at least %d arguments",
1555
p->name, p->min_args);
1557
} else if (n_arg > p->max_args) {
1558
dpctl_error(dpctl_p, 0,
1559
"'%s' command takes at most %d arguments",
1560
p->name, p->max_args);
1563
return p->handler(argc, argv, dpctl_p);
1568
dpctl_error(dpctl_p, 0, "unknown command '%s'; use --help for help",
1574
dpctl_unixctl_print(void *userdata, bool error OVS_UNUSED, const char *msg)
1576
struct ds *ds = userdata;
1577
ds_put_cstr(ds, msg);
1581
dpctl_unixctl_handler(struct unixctl_conn *conn, int argc, const char *argv[],
1584
struct ds ds = DS_EMPTY_INITIALIZER;
1585
struct dpctl_params dpctl_p;
1588
dpctl_command_handler *handler = (dpctl_command_handler *) aux;
1590
dpctl_p.print_statistics = false;
1591
dpctl_p.zero_statistics = false;
1592
dpctl_p.may_create = false;
1593
dpctl_p.verbosity = 0;
1595
/* Parse options (like getopt). Unfortunately it does
1596
* not seem a good idea to call getopt_long() here, since it uses global
1598
while (argc > 1 && !error) {
1599
const char *arg = argv[1];
1600
if (!strncmp(arg, "--", 2)) {
1602
if (!strcmp(arg, "--statistics")) {
1603
dpctl_p.print_statistics = true;
1604
} else if (!strcmp(arg, "--clear")) {
1605
dpctl_p.zero_statistics = true;
1606
} else if (!strcmp(arg, "--may-create")) {
1607
dpctl_p.may_create = true;
1608
} else if (!strcmp(arg, "--more")) {
1609
dpctl_p.verbosity++;
1611
ds_put_format(&ds, "Unrecognized option %s", argv[1]);
1614
} else if (arg[0] == '-' && arg[1] != '\0') {
1615
/* Short option[s] */
1616
const char *opt = &arg[1];
1618
while (*opt && !error) {
1621
dpctl_p.verbosity++;
1624
dpctl_p.print_statistics = true;
1627
ds_put_format(&ds, "Unrecognized option -%c", *opt);
1634
/* Doesn't start with -, not an option */
1646
dpctl_p.is_appctl = true;
1647
dpctl_p.output = dpctl_unixctl_print;
1650
error = handler(argc, argv, &dpctl_p) != 0;
1654
unixctl_command_reply_error(conn, ds_cstr(&ds));
1656
unixctl_command_reply(conn, ds_cstr(&ds));
1663
dpctl_unixctl_register(void)
1665
const struct dpctl_command *p;
1667
for (p = all_commands; p->name != NULL; p++) {
1668
char *cmd_name = xasprintf("dpctl/%s", p->name);
1669
unixctl_command_register(cmd_name, "", p->min_args, p->max_args,
1670
dpctl_unixctl_handler, p->handler);