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/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <config.h>
#include <arpa/inet.h>
#include <assert.h>
#include <errno.h>
#include <getopt.h>
#include <inttypes.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/in.h>
#include <signal.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/time.h>
#include "command-line.h"
#include "compiler.h"
#include "dirs.h"
#include "dpif.h"
#include "dynamic-string.h"
#include "flow.h"
#include "netdev.h"
#include "netlink.h"
#include "odp-util.h"
#include "ofpbuf.h"
#include "packets.h"
#include "shash.h"
#include "simap.h"
#include "smap.h"
#include "sset.h"
#include "timeval.h"
#include "util.h"
#include "vlog.h"
VLOG_DEFINE_THIS_MODULE(dpctl);
/* -s, --statistics: Print port statistics? */
static bool print_statistics;
/* -m, --more: Output verbosity.
*
* So far only undocumented commands honor this option, so we don't document
* the option itself. */
static int verbosity;
static const struct command all_commands[];
static void usage(void) NO_RETURN;
static void parse_options(int argc, char *argv[]);
int
main(int argc, char *argv[])
{
set_program_name(argv[0]);
parse_options(argc, argv);
signal(SIGPIPE, SIG_IGN);
run_command(argc - optind, argv + optind, all_commands);
return 0;
}
static void
parse_options(int argc, char *argv[])
{
enum {
OPT_DUMMY = UCHAR_MAX + 1,
VLOG_OPTION_ENUMS
};
static struct option long_options[] = {
{"statistics", no_argument, NULL, 's'},
{"more", no_argument, NULL, 'm'},
{"timeout", required_argument, NULL, 't'},
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'V'},
VLOG_LONG_OPTIONS,
{NULL, 0, NULL, 0},
};
char *short_options = long_options_to_short_options(long_options);
for (;;) {
unsigned long int timeout;
int c;
c = getopt_long(argc, argv, short_options, long_options, NULL);
if (c == -1) {
break;
}
switch (c) {
case 's':
print_statistics = true;
break;
case 'm':
verbosity++;
break;
case 't':
timeout = strtoul(optarg, NULL, 10);
if (timeout <= 0) {
ovs_fatal(0, "value %s on -t or --timeout is not at least 1",
optarg);
} else {
time_alarm(timeout);
}
break;
case 'h':
usage();
case 'V':
ovs_print_version(0, 0);
exit(EXIT_SUCCESS);
VLOG_OPTION_HANDLERS
case '?':
exit(EXIT_FAILURE);
default:
abort();
}
}
free(short_options);
}
static void
usage(void)
{
printf("%s: Open vSwitch datapath management utility\n"
"usage: %s [OPTIONS] COMMAND [ARG...]\n"
" add-dp DP [IFACE...] add new datapath DP (with IFACEs)\n"
" del-dp DP delete local datapath DP\n"
" add-if DP IFACE... add each IFACE as a port on DP\n"
" set-if DP IFACE... reconfigure each IFACE within DP\n"
" del-if DP IFACE... delete each IFACE from DP\n"
" dump-dps display names of all datapaths\n"
" show show basic info on all datapaths\n"
" show DP... show basic info on each DP\n"
" dump-flows DP display flows in DP\n"
" del-flows DP delete all flows from DP\n"
"Each IFACE on add-dp, add-if, and set-if may be followed by\n"
"comma-separated options. See ovs-dpctl(8) for syntax, or the\n"
"Interface table in ovs-vswitchd.conf.db(5) for an options list.\n",
program_name, program_name);
vlog_usage();
printf("\nOther options:\n"
" -t, --timeout=SECS give up after SECS seconds\n"
" -h, --help display this help message\n"
" -V, --version display version information\n");
exit(EXIT_SUCCESS);
}
static void run(int retval, const char *message, ...)
PRINTF_FORMAT(2, 3);
static void run(int retval, const char *message, ...)
{
if (retval) {
va_list args;
va_start(args, message);
ovs_fatal_valist(retval, message, args);
}
}
static void dpctl_add_if(int argc, char *argv[]);
static int if_up(const char *netdev_name)
{
struct netdev *netdev;
int retval;
retval = netdev_open(netdev_name, "system", &netdev);
if (!retval) {
retval = netdev_turn_flags_on(netdev, NETDEV_UP, true);
netdev_close(netdev);
}
return retval;
}
static int
parsed_dpif_open(const char *arg_, bool create, struct dpif **dpifp)
{
int result;
char *name, *type;
dp_parse_name(arg_, &name, &type);
if (create) {
result = dpif_create(name, type, dpifp);
} else {
result = dpif_open(name, type, dpifp);
}
free(name);
free(type);
return result;
}
static void
dpctl_add_dp(int argc OVS_UNUSED, char *argv[])
{
struct dpif *dpif;
run(parsed_dpif_open(argv[1], true, &dpif), "add_dp");
dpif_close(dpif);
if (argc > 2) {
dpctl_add_if(argc, argv);
}
}
static void
dpctl_del_dp(int argc OVS_UNUSED, char *argv[])
{
struct dpif *dpif;
run(parsed_dpif_open(argv[1], false, &dpif), "opening datapath");
run(dpif_delete(dpif), "del_dp");
dpif_close(dpif);
}
static void
dpctl_add_if(int argc OVS_UNUSED, char *argv[])
{
bool failure = false;
struct dpif *dpif;
int i;
run(parsed_dpif_open(argv[1], false, &dpif), "opening datapath");
for (i = 2; i < argc; i++) {
const char *name, *type;
char *save_ptr = NULL;
struct netdev *netdev = NULL;
struct smap args;
uint16_t port_no = UINT16_MAX;
char *option;
int error;
name = strtok_r(argv[i], ",", &save_ptr);
type = "system";
if (!name) {
ovs_error(0, "%s is not a valid network device name", argv[i]);
failure = true;
continue;
}
smap_init(&args);
while ((option = strtok_r(NULL, ",", &save_ptr)) != NULL) {
char *save_ptr_2 = NULL;
char *key, *value;
key = strtok_r(option, "=", &save_ptr_2);
value = strtok_r(NULL, "", &save_ptr_2);
if (!value) {
value = "";
}
if (!strcmp(key, "type")) {
type = value;
} else if (!strcmp(key, "port_no")) {
port_no = atoi(value);
} else if (!smap_add_once(&args, key, value)) {
ovs_error(0, "duplicate \"%s\" option", key);
}
}
error = netdev_open(name, type, &netdev);
if (error) {
ovs_error(error, "%s: failed to open network device", name);
goto next;
}
error = netdev_set_config(netdev, &args);
if (error) {
ovs_error(error, "%s: failed to configure network device", name);
goto next;
}
error = dpif_port_add(dpif, netdev, &port_no);
if (error) {
ovs_error(error, "adding %s to %s failed", name, argv[1]);
goto next;
}
error = if_up(name);
next:
netdev_close(netdev);
if (error) {
failure = true;
}
}
dpif_close(dpif);
if (failure) {
exit(EXIT_FAILURE);
}
}
static void
dpctl_set_if(int argc, char *argv[])
{
bool failure = false;
struct dpif *dpif;
int i;
run(parsed_dpif_open(argv[1], false, &dpif), "opening datapath");
for (i = 2; i < argc; i++) {
struct netdev *netdev = NULL;
struct dpif_port dpif_port;
char *save_ptr = NULL;
char *type = NULL;
const char *name;
struct smap args;
uint32_t port_no;
char *option;
int error;
name = strtok_r(argv[i], ",", &save_ptr);
if (!name) {
ovs_error(0, "%s is not a valid network device name", argv[i]);
failure = true;
continue;
}
/* Get the port's type from the datapath. */
error = dpif_port_query_by_name(dpif, name, &dpif_port);
if (error) {
ovs_error(error, "%s: failed to query port in %s", name, argv[1]);
goto next;
}
type = xstrdup(dpif_port.type);
port_no = dpif_port.port_no;
dpif_port_destroy(&dpif_port);
/* Retrieve its existing configuration. */
error = netdev_open(name, type, &netdev);
if (error) {
ovs_error(error, "%s: failed to open network device", name);
goto next;
}
smap_init(&args);
error = netdev_get_config(netdev, &args);
if (error) {
ovs_error(error, "%s: failed to fetch configuration", name);
goto next;
}
/* Parse changes to configuration. */
while ((option = strtok_r(NULL, ",", &save_ptr)) != NULL) {
char *save_ptr_2 = NULL;
char *key, *value;
key = strtok_r(option, "=", &save_ptr_2);
value = strtok_r(NULL, "", &save_ptr_2);
if (!value) {
value = "";
}
if (!strcmp(key, "type")) {
if (strcmp(value, type)) {
ovs_error(0, "%s: can't change type from %s to %s",
name, type, value);
failure = true;
}
} else if (!strcmp(key, "port_no")) {
if (port_no != atoi(value)) {
ovs_error(0, "%s: can't change port number from "
"%"PRIu32" to %d",
name, port_no, atoi(value));
failure = true;
}
} else if (value[0] == '\0') {
smap_remove(&args, key);
} else {
smap_replace(&args, key, value);
}
}
/* Update configuration. */
error = netdev_set_config(netdev, &args);
smap_destroy(&args);
if (error) {
ovs_error(error, "%s: failed to configure network device", name);
goto next;
}
next:
free(type);
netdev_close(netdev);
if (error) {
failure = true;
}
}
dpif_close(dpif);
if (failure) {
exit(EXIT_FAILURE);
}
}
static bool
get_port_number(struct dpif *dpif, const char *name, uint16_t *port)
{
struct dpif_port dpif_port;
if (!dpif_port_query_by_name(dpif, name, &dpif_port)) {
*port = dpif_port.port_no;
dpif_port_destroy(&dpif_port);
return true;
} else {
ovs_error(0, "no port named %s", name);
return false;
}
}
static void
dpctl_del_if(int argc OVS_UNUSED, char *argv[])
{
bool failure = false;
struct dpif *dpif;
int i;
run(parsed_dpif_open(argv[1], false, &dpif), "opening datapath");
for (i = 2; i < argc; i++) {
const char *name = argv[i];
uint16_t port;
int error;
if (!name[strspn(name, "0123456789")]) {
port = atoi(name);
} else if (!get_port_number(dpif, name, &port)) {
failure = true;
continue;
}
error = dpif_port_del(dpif, port);
if (error) {
ovs_error(error, "deleting port %s from %s failed", name, argv[1]);
failure = true;
}
}
dpif_close(dpif);
if (failure) {
exit(EXIT_FAILURE);
}
}
static void
print_stat(const char *leader, uint64_t value)
{
fputs(leader, stdout);
if (value != UINT64_MAX) {
printf("%"PRIu64, value);
} else {
putchar('?');
}
}
static void
print_human_size(uint64_t value)
{
if (value == UINT64_MAX) {
/* Nothing to do. */
} else if (value >= 1024ULL * 1024 * 1024 * 1024) {
printf(" (%.1f TiB)", value / (1024.0 * 1024 * 1024 * 1024));
} else if (value >= 1024ULL * 1024 * 1024) {
printf(" (%.1f GiB)", value / (1024.0 * 1024 * 1024));
} else if (value >= 1024ULL * 1024) {
printf(" (%.1f MiB)", value / (1024.0 * 1024));
} else if (value >= 1024) {
printf(" (%.1f KiB)", value / 1024.0);
}
}
static void
show_dpif(struct dpif *dpif)
{
struct dpif_port_dump dump;
struct dpif_port dpif_port;
struct dpif_dp_stats stats;
struct netdev *netdev;
printf("%s:\n", dpif_name(dpif));
if (!dpif_get_dp_stats(dpif, &stats)) {
printf("\tlookups: hit:%"PRIu64" missed:%"PRIu64" lost:%"PRIu64"\n"
"\tflows: %"PRIu64"\n",
stats.n_hit, stats.n_missed, stats.n_lost, stats.n_flows);
}
DPIF_PORT_FOR_EACH (&dpif_port, &dump, dpif) {
printf("\tport %u: %s", dpif_port.port_no, dpif_port.name);
if (strcmp(dpif_port.type, "system")) {
int error;
printf (" (%s", dpif_port.type);
error = netdev_open(dpif_port.name, dpif_port.type, &netdev);
if (!error) {
struct smap config;
smap_init(&config);
error = netdev_get_config(netdev, &config);
if (!error) {
const struct smap_node **nodes;
size_t i;
nodes = smap_sort(&config);
for (i = 0; i < smap_count(&config); i++) {
const struct smap_node *node = nodes[i];
printf("%c %s=%s", i ? ',' : ':', node->key,
node->value);
}
free(nodes);
} else {
printf(", could not retrieve configuration (%s)",
strerror(error));
}
smap_destroy(&config);
netdev_close(netdev);
} else {
printf(": open failed (%s)", strerror(error));
}
putchar(')');
}
putchar('\n');
if (print_statistics) {
struct netdev_stats s;
int error;
error = netdev_open(dpif_port.name, dpif_port.type, &netdev);
if (error) {
printf(", open failed (%s)", strerror(error));
continue;
}
error = netdev_get_stats(netdev, &s);
if (error) {
printf(", could not retrieve stats (%s)", strerror(error));
continue;
}
netdev_close(netdev);
print_stat("\t\tRX packets:", s.rx_packets);
print_stat(" errors:", s.rx_errors);
print_stat(" dropped:", s.rx_dropped);
print_stat(" overruns:", s.rx_over_errors);
print_stat(" frame:", s.rx_frame_errors);
printf("\n");
print_stat("\t\tTX packets:", s.tx_packets);
print_stat(" errors:", s.tx_errors);
print_stat(" dropped:", s.tx_dropped);
print_stat(" aborted:", s.tx_aborted_errors);
print_stat(" carrier:", s.tx_carrier_errors);
printf("\n");
print_stat("\t\tcollisions:", s.collisions);
printf("\n");
print_stat("\t\tRX bytes:", s.rx_bytes);
print_human_size(s.rx_bytes);
print_stat(" TX bytes:", s.tx_bytes);
print_human_size(s.tx_bytes);
printf("\n");
}
}
dpif_close(dpif);
}
static void
dpctl_show(int argc, char *argv[])
{
bool failure = false;
if (argc > 1) {
int i;
for (i = 1; i < argc; i++) {
const char *name = argv[i];
struct dpif *dpif;
int error;
error = parsed_dpif_open(name, false, &dpif);
if (!error) {
show_dpif(dpif);
} else {
ovs_error(error, "opening datapath %s failed", name);
failure = true;
}
}
} else {
struct sset types;
const char *type;
sset_init(&types);
dp_enumerate_types(&types);
SSET_FOR_EACH (type, &types) {
struct sset names;
const char *name;
sset_init(&names);
if (dp_enumerate_names(type, &names)) {
failure = true;
continue;
}
SSET_FOR_EACH (name, &names) {
struct dpif *dpif;
int error;
error = dpif_open(name, type, &dpif);
if (!error) {
show_dpif(dpif);
} else {
ovs_error(error, "opening datapath %s failed", name);
failure = true;
}
}
sset_destroy(&names);
}
sset_destroy(&types);
}
if (failure) {
exit(EXIT_FAILURE);
}
}
static void
dpctl_dump_dps(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
{
struct sset dpif_names, dpif_types;
const char *type;
int error = 0;
sset_init(&dpif_names);
sset_init(&dpif_types);
dp_enumerate_types(&dpif_types);
SSET_FOR_EACH (type, &dpif_types) {
const char *name;
int retval;
retval = dp_enumerate_names(type, &dpif_names);
if (retval) {
error = retval;
}
SSET_FOR_EACH (name, &dpif_names) {
struct dpif *dpif;
if (!dpif_open(name, type, &dpif)) {
printf("%s\n", dpif_name(dpif));
dpif_close(dpif);
}
}
}
sset_destroy(&dpif_names);
sset_destroy(&dpif_types);
if (error) {
exit(EXIT_FAILURE);
}
}
static void
dpctl_dump_flows(int argc OVS_UNUSED, char *argv[])
{
const struct dpif_flow_stats *stats;
const struct nlattr *actions;
struct dpif_flow_dump dump;
const struct nlattr *key;
size_t actions_len;
struct dpif *dpif;
size_t key_len;
struct ds ds;
run(parsed_dpif_open(argv[1], false, &dpif), "opening datapath");
ds_init(&ds);
dpif_flow_dump_start(&dump, dpif);
while (dpif_flow_dump_next(&dump, &key, &key_len,
&actions, &actions_len, &stats)) {
ds_clear(&ds);
odp_flow_key_format(key, key_len, &ds);
ds_put_cstr(&ds, ", ");
dpif_flow_stats_format(stats, &ds);
ds_put_cstr(&ds, ", actions:");
format_odp_actions(&ds, actions, actions_len);
printf("%s\n", ds_cstr(&ds));
}
dpif_flow_dump_done(&dump);
ds_destroy(&ds);
dpif_close(dpif);
}
static void
dpctl_del_flows(int argc OVS_UNUSED, char *argv[])
{
struct dpif *dpif;
run(parsed_dpif_open(argv[1], false, &dpif), "opening datapath");
run(dpif_flow_flush(dpif), "deleting all flows");
dpif_close(dpif);
}
static void
dpctl_help(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
{
usage();
}
/* Undocumented commands for unit testing. */
static void
dpctl_parse_actions(int argc, char *argv[])
{
int i;
for (i = 1; i < argc; i++) {
struct ofpbuf actions;
struct ds s;
ofpbuf_init(&actions, 0);
run(odp_actions_from_string(argv[i], NULL, &actions),
"odp_actions_from_string");
ds_init(&s);
format_odp_actions(&s, actions.data, actions.size);
puts(ds_cstr(&s));
ds_destroy(&s);
ofpbuf_uninit(&actions);
}
}
struct actions_for_flow {
struct hmap_node hmap_node;
struct flow flow;
struct ofpbuf actions;
};
static struct actions_for_flow *
get_actions_for_flow(struct hmap *actions_per_flow, const struct flow *flow)
{
uint32_t hash = flow_hash(flow, 0);
struct actions_for_flow *af;
HMAP_FOR_EACH_WITH_HASH (af, hmap_node, hash, actions_per_flow) {
if (flow_equal(&af->flow, flow)) {
return af;
}
}
af = xmalloc(sizeof *af);
af->flow = *flow;
ofpbuf_init(&af->actions, 0);
hmap_insert(actions_per_flow, &af->hmap_node, hash);
return af;
}
static int
compare_actions_for_flow(const void *a_, const void *b_)
{
struct actions_for_flow *const *a = a_;
struct actions_for_flow *const *b = b_;
return flow_compare_3way(&(*a)->flow, &(*b)->flow);
}
static int
compare_output_actions(const void *a_, const void *b_)
{
const struct nlattr *a = a_;
const struct nlattr *b = b_;
uint32_t a_port = nl_attr_get_u32(a);
uint32_t b_port = nl_attr_get_u32(b);
return a_port < b_port ? -1 : a_port > b_port;
}
static void
sort_output_actions__(struct nlattr *first, struct nlattr *end)
{
size_t bytes = (uint8_t *) end - (uint8_t *) first;
size_t n = bytes / NL_A_U32_SIZE;
assert(bytes % NL_A_U32_SIZE == 0);
qsort(first, n, NL_A_U32_SIZE, compare_output_actions);
}
static void
sort_output_actions(struct nlattr *actions, size_t length)
{
struct nlattr *first_output = NULL;
struct nlattr *a;
int left;
NL_ATTR_FOR_EACH (a, left, actions, length) {
if (nl_attr_type(a) == OVS_ACTION_ATTR_OUTPUT) {
if (!first_output) {
first_output = a;
}
} else {
if (first_output) {
sort_output_actions__(first_output, a);
first_output = NULL;
}
}
}
if (first_output) {
uint8_t *end = (uint8_t *) actions + length;
sort_output_actions__(first_output, (struct nlattr *) end);
}
}
/* usage: "ovs-dpctl normalize-actions FLOW ACTIONS" where FLOW and ACTIONS
* have the syntax used by "ovs-dpctl dump-flows".
*
* This command prints ACTIONS in a format that shows what happens for each
* VLAN, independent of the order of the ACTIONS. For example, there is more
* than one way to output a packet on VLANs 9 and 11, but this command will
* print the same output for any form.
*
* The idea here generalizes beyond VLANs (e.g. to setting other fields) but
* so far the implementation only covers VLANs. */
static void
dpctl_normalize_actions(int argc, char *argv[])
{
struct simap port_names;
struct ofpbuf keybuf;
struct flow flow;
struct ofpbuf odp_actions;
struct hmap actions_per_flow;
struct actions_for_flow **afs;
struct actions_for_flow *af;
struct nlattr *a;
size_t n_afs;
struct ds s;
int left;
int i;
ds_init(&s);
simap_init(&port_names);
for (i = 3; i < argc; i++) {
char name[16];
int number;
int n = -1;
if (sscanf(argv[i], "%15[^=]=%d%n", name, &number, &n) > 0 && n > 0) {
uintptr_t n = number;
simap_put(&port_names, name, n);
} else {
ovs_fatal(0, "%s: expected NAME=NUMBER", argv[i]);
}
}
/* Parse flow key. */
ofpbuf_init(&keybuf, 0);
run(odp_flow_key_from_string(argv[1], &port_names, &keybuf),
"odp_flow_key_from_string");
ds_clear(&s);
odp_flow_key_format(keybuf.data, keybuf.size, &s);
printf("input flow: %s\n", ds_cstr(&s));
run(odp_flow_key_to_flow(keybuf.data, keybuf.size, &flow),
"odp_flow_key_to_flow");
ofpbuf_uninit(&keybuf);
/* Parse actions. */
ofpbuf_init(&odp_actions, 0);
run(odp_actions_from_string(argv[2], &port_names, &odp_actions),
"odp_actions_from_string");
if (verbosity) {
ds_clear(&s);
format_odp_actions(&s, odp_actions.data, odp_actions.size);
printf("input actions: %s\n", ds_cstr(&s));
}
hmap_init(&actions_per_flow);
NL_ATTR_FOR_EACH (a, left, odp_actions.data, odp_actions.size) {
if (nl_attr_type(a) == OVS_ACTION_ATTR_POP_VLAN) {
flow.vlan_tci = htons(0);
continue;
}
if (nl_attr_type(a) == OVS_ACTION_ATTR_PUSH_VLAN) {
const struct ovs_action_push_vlan *push;
push = nl_attr_get_unspec(a, sizeof *push);
flow.vlan_tci = push->vlan_tci;
continue;
}
af = get_actions_for_flow(&actions_per_flow, &flow);
nl_msg_put_unspec(&af->actions, nl_attr_type(a),
nl_attr_get(a), nl_attr_get_size(a));
}
n_afs = hmap_count(&actions_per_flow);
afs = xmalloc(n_afs * sizeof *afs);
i = 0;
HMAP_FOR_EACH (af, hmap_node, &actions_per_flow) {
afs[i++] = af;
}
assert(i == n_afs);
qsort(afs, n_afs, sizeof *afs, compare_actions_for_flow);
for (i = 0; i < n_afs; i++) {
const struct actions_for_flow *af = afs[i];
sort_output_actions(af->actions.data, af->actions.size);
if (af->flow.vlan_tci != htons(0)) {
printf("vlan(vid=%"PRIu16",pcp=%d): ",
vlan_tci_to_vid(af->flow.vlan_tci),
vlan_tci_to_pcp(af->flow.vlan_tci));
} else {
printf("no vlan: ");
}
ds_clear(&s);
format_odp_actions(&s, af->actions.data, af->actions.size);
puts(ds_cstr(&s));
}
ds_destroy(&s);
}
static const struct command all_commands[] = {
{ "add-dp", 1, INT_MAX, dpctl_add_dp },
{ "del-dp", 1, 1, dpctl_del_dp },
{ "add-if", 2, INT_MAX, dpctl_add_if },
{ "del-if", 2, INT_MAX, dpctl_del_if },
{ "set-if", 2, INT_MAX, dpctl_set_if },
{ "dump-dps", 0, 0, dpctl_dump_dps },
{ "show", 0, INT_MAX, dpctl_show },
{ "dump-flows", 1, 1, dpctl_dump_flows },
{ "del-flows", 1, 1, dpctl_del_flows },
{ "help", 0, INT_MAX, dpctl_help },
/* Undocumented commands for testing. */
{ "parse-actions", 1, INT_MAX, dpctl_parse_actions },
{ "normalize-actions", 2, INT_MAX, dpctl_normalize_actions },
{ NULL, 0, 0, NULL },
};
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