/*
- * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include "command-line.h"
#include "compiler.h"
#include "dirs.h"
-#include "dpif.h"
-#include "dynamic-string.h"
-#include "flow.h"
-#include "match.h"
-#include "netdev.h"
-#include "netlink.h"
+#include "dpctl.h"
+#include "fatal-signal.h"
#include "odp-util.h"
#include "ofp-parse.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"
+#include "openvswitch/vlog.h"
-/* -s, --statistics: Print port/flow statistics? */
-static bool print_statistics;
+static struct dpctl_params dpctl_p;
-/* --clear: Reset existing statistics to zero when modifying a flow? */
-static bool zero_statistics;
-
-/* --may-create: Allow mod-flows command to create a new flow? */
-static bool may_create;
-
-/* -m, --more: Increase output verbosity. */
-static int verbosity;
-
-static const struct command *get_all_commands(void);
-
-static void usage(void) NO_RETURN;
+OVS_NO_RETURN static void usage(void *userdata OVS_UNUSED);
static void parse_options(int argc, char *argv[]);
+static void
+dpctl_print(void *userdata OVS_UNUSED, bool error, const char *msg)
+{
+ FILE *outfile = error ? stderr : stdout;
+ fputs(msg, outfile);
+}
+
int
main(int argc, char *argv[])
{
+ int error;
set_program_name(argv[0]);
parse_options(argc, argv);
- signal(SIGPIPE, SIG_IGN);
- run_command(argc - optind, argv + optind, get_all_commands());
- return 0;
+ fatal_ignore_sigpipe();
+
+ dpctl_p.is_appctl = false;
+ dpctl_p.output = dpctl_print;
+ dpctl_p.usage = usage;
+
+ error = dpctl_run_command(argc - optind, (const char **) argv + optind,
+ &dpctl_p);
+ return error ? EXIT_FAILURE : EXIT_SUCCESS;
}
static void
{"more", no_argument, NULL, 'm'},
{"timeout", required_argument, NULL, 't'},
{"help", no_argument, NULL, 'h'},
+ {"option", no_argument, NULL, 'o'},
{"version", no_argument, NULL, 'V'},
VLOG_LONG_OPTIONS,
{NULL, 0, NULL, 0},
};
- char *short_options = long_options_to_short_options(long_options);
+ char *short_options = ovs_cmdl_long_options_to_short_options(long_options);
for (;;) {
unsigned long int timeout;
switch (c) {
case 's':
- print_statistics = true;
+ dpctl_p.print_statistics = true;
break;
case OPT_CLEAR:
- zero_statistics = true;
+ dpctl_p.zero_statistics = true;
break;
case OPT_MAY_CREATE:
- may_create = true;
+ dpctl_p.may_create = true;
break;
case 'm':
- verbosity++;
+ dpctl_p.verbosity++;
break;
case 't':
break;
case 'h':
- usage();
+ usage(NULL);
+
+ case 'o':
+ ovs_cmdl_print_options(long_options);
+ exit(EXIT_SUCCESS);
case 'V':
ovs_print_version(0, 0);
}
static void
-usage(void)
+usage(void *userdata OVS_UNUSED)
{
printf("%s: Open vSwitch datapath management utility\n"
"usage: %s [OPTIONS] COMMAND [ARG...]\n"
" dump-flows [DP] display flows in DP\n"
" add-flow [DP] FLOW ACTIONS add FLOW with ACTIONS to DP\n"
" mod-flow [DP] FLOW ACTIONS change FLOW actions to ACTIONS in DP\n"
+ " get-flow [DP] ufid:UFID fetch flow corresponding to UFID\n"
" del-flow [DP] FLOW delete FLOW from DP\n"
" del-flows [DP] delete all flows from DP\n"
+ " dump-conntrack [DP] display conntrack entries\n"
+ " flush-conntrack [DP] delete all conntrack entries\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"
" -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);
- }
-}
-\f
-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, NULL);
- netdev_close(netdev);
- }
- return retval;
-}
-
-/* Retrieve the name of the datapath if exactly one exists. The caller
- * is responsible for freeing the returned string. If there is not one
- * datapath, aborts with an error message. */
-static char *
-get_one_dp(void)
-{
- struct sset types;
- const char *type;
- char *dp_name = NULL;
- size_t count = 0;
-
- sset_init(&types);
- dp_enumerate_types(&types);
- SSET_FOR_EACH (type, &types) {
- struct sset names;
-
- sset_init(&names);
- if (!dp_enumerate_names(type, &names)) {
- count += sset_count(&names);
- if (!dp_name && count == 1) {
- dp_name = xasprintf("%s@%s", type, SSET_FIRST(&names));
- }
- }
- sset_destroy(&names);
- }
- sset_destroy(&types);
-
- if (!count) {
- ovs_fatal(0, "no datapaths exist");
- } else if (count > 1) {
- ovs_fatal(0, "multiple datapaths, specify one");
- }
-
- return dp_name;
-}
-
-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;
- odp_port_t port_no = ODPP_NONE;
- 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 = u32_to_odp(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;
- odp_port_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 != u32_to_odp(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, odp_port_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];
- odp_port_t port;
- int error;
-
- if (!name[strspn(name, "0123456789")]) {
- port = u32_to_odp(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)",
- ovs_strerror(error));
- }
- smap_destroy(&config);
-
- netdev_close(netdev);
- } else {
- printf(": open failed (%s)", ovs_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)", ovs_strerror(error));
- continue;
- }
- error = netdev_get_stats(netdev, &s);
- if (error) {
- printf(", could not retrieve stats (%s)", ovs_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, char *argv[])
-{
- const struct dpif_flow_stats *stats;
- const struct nlattr *actions;
- struct dpif_flow_dump flow_dump;
- const struct nlattr *key;
- const struct nlattr *mask;
- struct dpif_port dpif_port;
- struct dpif_port_dump port_dump;
- struct hmap portno_names;
- struct simap names_portno;
- size_t actions_len;
- struct dpif *dpif;
- size_t key_len;
- size_t mask_len;
- struct ds ds;
- char *name, *error, *filter = NULL;
- struct flow flow_filter;
- struct flow_wildcards wc_filter;
-
- if (argc > 1 && !strncmp(argv[argc - 1], "filter=", 7)) {
- filter = xstrdup(argv[--argc] + 7);
- }
- name = (argc == 2) ? xstrdup(argv[1]) : get_one_dp();
-
- run(parsed_dpif_open(name, false, &dpif), "opening datapath");
- free(name);
-
- hmap_init(&portno_names);
- simap_init(&names_portno);
- DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, dpif) {
- odp_portno_names_set(&portno_names, dpif_port.port_no, dpif_port.name);
- simap_put(&names_portno, dpif_port.name,
- odp_to_u32(dpif_port.port_no));
- }
-
- if (filter) {
- error = parse_ofp_exact_flow(&flow_filter, &wc_filter.masks, filter,
- &names_portno);
- if (error) {
- ovs_fatal(0, "Failed to parse filter (%s)", error);
- }
- }
-
- ds_init(&ds);
- dpif_flow_dump_start(&flow_dump, dpif);
- while (dpif_flow_dump_next(&flow_dump, &key, &key_len,
- &mask, &mask_len,
- &actions, &actions_len, &stats)) {
- if (filter) {
- struct flow flow;
- struct flow_wildcards wc;
- struct match match, match_filter;
- struct minimatch minimatch;
-
- odp_flow_key_to_flow(key, key_len, &flow);
- odp_flow_key_to_mask(mask, mask_len, &wc.masks, &flow);
- match_init(&match, &flow, &wc);
-
- match_init(&match_filter, &flow_filter, &wc);
- match_init(&match_filter, &match_filter.flow, &wc_filter);
- minimatch_init(&minimatch, &match_filter);
-
- if (!minimatch_matches_flow(&minimatch, &match.flow)) {
- minimatch_destroy(&minimatch);
- continue;
- }
- minimatch_destroy(&minimatch);
- }
- ds_clear(&ds);
- odp_flow_format(key, key_len, mask, mask_len, &portno_names, &ds,
- verbosity);
- 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(&flow_dump);
-
- free(filter);
- odp_portno_names_destroy(&portno_names);
- hmap_destroy(&portno_names);
- simap_destroy(&names_portno);
- ds_destroy(&ds);
- dpif_close(dpif);
-}
-
-static void
-dpctl_put_flow(int argc, char *argv[], enum dpif_flow_put_flags flags)
-{
- const char *key_s = argv[argc - 2];
- const char *actions_s = argv[argc - 1];
- struct dpif_flow_stats stats;
- struct dpif_port dpif_port;
- struct dpif_port_dump port_dump;
- struct ofpbuf actions;
- struct ofpbuf key;
- struct ofpbuf mask;
- struct dpif *dpif;
- struct ds s;
- char *dp_name;
- struct simap port_names;
-
- dp_name = argc == 4 ? xstrdup(argv[1]) : get_one_dp();
- run(parsed_dpif_open(dp_name, false, &dpif), "opening datapath");
- free(dp_name);
-
-
- simap_init(&port_names);
- DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, dpif) {
- simap_put(&port_names, dpif_port.name, odp_to_u32(dpif_port.port_no));
- }
-
- ds_init(&s);
- ofpbuf_init(&key, 0);
- ofpbuf_init(&mask, 0);
- run(odp_flow_from_string(key_s, &port_names, &key, &mask),
- "parsing flow key");
-
- simap_destroy(&port_names);
-
- ofpbuf_init(&actions, 0);
- run(odp_actions_from_string(actions_s, NULL, &actions), "parsing actions");
-
- run(dpif_flow_put(dpif, flags,
- key.data, key.size,
- mask.size == 0 ? NULL : mask.data, mask.size,
- actions.data, actions.size,
- print_statistics ? &stats : NULL),
- "updating flow table");
-
- ofpbuf_uninit(&key);
- ofpbuf_uninit(&mask);
- ofpbuf_uninit(&actions);
-
- if (print_statistics) {
- struct ds s;
-
- ds_init(&s);
- dpif_flow_stats_format(&stats, &s);
- puts(ds_cstr(&s));
- ds_destroy(&s);
- }
-}
-
-static void
-dpctl_add_flow(int argc, char *argv[])
-{
- dpctl_put_flow(argc, argv, DPIF_FP_CREATE);
-}
-
-static void
-dpctl_mod_flow(int argc OVS_UNUSED, char *argv[])
-{
- enum dpif_flow_put_flags flags;
-
- flags = DPIF_FP_MODIFY;
- if (may_create) {
- flags |= DPIF_FP_CREATE;
- }
- if (zero_statistics) {
- flags |= DPIF_FP_ZERO_STATS;
- }
-
- dpctl_put_flow(argc, argv, flags);
-}
-
-static void
-dpctl_del_flow(int argc, char *argv[])
-{
- const char *key_s = argv[argc - 1];
- struct dpif_flow_stats stats;
- struct dpif_port dpif_port;
- struct dpif_port_dump port_dump;
- struct ofpbuf key;
- struct ofpbuf mask; /* To be ignored. */
- struct dpif *dpif;
- char *dp_name;
- struct simap port_names;
-
- dp_name = argc == 3 ? xstrdup(argv[1]) : get_one_dp();
- run(parsed_dpif_open(dp_name, false, &dpif), "opening datapath");
- free(dp_name);
-
- simap_init(&port_names);
- DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, dpif) {
- simap_put(&port_names, dpif_port.name, odp_to_u32(dpif_port.port_no));
- }
-
- ofpbuf_init(&key, 0);
- ofpbuf_init(&mask, 0);
- run(odp_flow_from_string(key_s, &port_names, &key, &mask), "parsing flow key");
-
- run(dpif_flow_del(dpif,
- key.data, key.size,
- print_statistics ? &stats : NULL), "deleting flow");
-
- simap_destroy(&port_names);
- ofpbuf_uninit(&key);
- ofpbuf_uninit(&mask);
-
- if (print_statistics) {
- struct ds s;
-
- ds_init(&s);
- dpif_flow_stats_format(&stats, &s);
- puts(ds_cstr(&s));
- ds_destroy(&s);
- }
-}
-
-static void
-dpctl_del_flows(int argc, char *argv[])
-{
- struct dpif *dpif;
- char *name;
-
- name = (argc == 2) ? xstrdup(argv[1]) : get_one_dp();
- run(parsed_dpif_open(name, false, &dpif), "opening datapath");
- free(name);
-
- run(dpif_flow_flush(dpif), "deleting all flows");
- dpif_close(dpif);
-}
-
-static void
-dpctl_help(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
-{
- usage();
-}
-\f
-/* 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;
-
- ovs_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,
- ALIGNED_CAST(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_from_string(argv[1], &port_names, &keybuf, NULL),
- "odp_flow_key_from_string");
-
- ds_clear(&s);
- odp_flow_format(keybuf.data, keybuf.size, NULL, 0, NULL, &s, verbosity);
- 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");
- simap_destroy(&port_names);
-
- 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) {
- const struct ovs_action_push_vlan *push;
- switch(nl_attr_type(a)) {
- case OVS_ACTION_ATTR_POP_VLAN:
- flow.vlan_tci = htons(0);
- continue;
-
- case OVS_ACTION_ATTR_PUSH_VLAN:
- 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;
- }
- ovs_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: ");
- }
-
- if (eth_type_mpls(af->flow.dl_type)) {
- printf("mpls(label=%"PRIu32",tc=%d,ttl=%d): ",
- mpls_lse_to_label(af->flow.mpls_lse),
- mpls_lse_to_tc(af->flow.mpls_lse),
- mpls_lse_to_ttl(af->flow.mpls_lse));
- } else {
- printf("no mpls: ");
- }
-
- 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", 0, 2, dpctl_dump_flows },
- { "add-flow", 2, 3, dpctl_add_flow },
- { "mod-flow", 2, 3, dpctl_mod_flow },
- { "del-flow", 1, 2, dpctl_del_flow },
- { "del-flows", 0, 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 },
-};
-
-static const struct command *get_all_commands(void)
-{
- return all_commands;
-}
projects / cascardo / ovs.git / blobdiff