#include <config.h>
#include <arpa/inet.h>
+#include <assert.h>
#include <errno.h>
#include <getopt.h>
#include <inttypes.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 "sset.h"
#include "timeval.h"
/* -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 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'},
print_statistics = true;
break;
+ case 'm':
+ verbosity++;
+ break;
+
case 't':
timeout = strtoul(optarg, NULL, 10);
if (timeout <= 0) {
" 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",
+ " 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"
if (!name) {
ovs_error(0, "%s is not a valid network device name", argv[i]);
+ failure = true;
continue;
}
}
}
+static void
+do_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 shash args;
+ 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);
+ 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;
+ }
+
+ shash_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 (value[0] == '\0') {
+ free(shash_find_and_delete(&args, key));
+ } else {
+ free(shash_replace(&args, key, xstrdup(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_dump dump;
struct dpif_port dpif_port;
- struct ovs_dp_stats stats;
+ struct dpif_dp_stats stats;
struct netdev *netdev;
printf("%s:\n", dpif_name(dpif));
if (!dpif_get_dp_stats(dpif, &stats)) {
- printf("\tlookups: frags:%llu, hit:%llu, missed:%llu, lost:%llu\n",
- (unsigned long long int) stats.n_frags,
- (unsigned long long int) stats.n_hit,
- (unsigned long long int) stats.n_missed,
- (unsigned long long int) stats.n_lost);
- printf("\tflows: %llu\n", (unsigned long long int)stats.n_flows);
+ 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);
{
usage();
}
+\f
+/* Undocumented commands for unit testing. */
+
+static void
+do_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
+do_normalize_actions(int argc, char *argv[])
+{
+ struct shash 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);
+
+ shash_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;
+ shash_add(&port_names, name, (void *) 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, do_add_dp },
{ "del-dp", 1, 1, do_del_dp },
{ "add-if", 2, INT_MAX, do_add_if },
{ "del-if", 2, INT_MAX, do_del_if },
+ { "set-if", 2, INT_MAX, do_set_if },
{ "dump-dps", 0, 0, do_dump_dps },
{ "show", 0, INT_MAX, do_show },
{ "dump-flows", 1, 1, do_dump_flows },
{ "del-flows", 1, 1, do_del_flows },
{ "help", 0, INT_MAX, do_help },
+
+ /* Undocumented commands for testing. */
+ { "parse-actions", 1, INT_MAX, do_parse_actions },
+ { "normalize-actions", 2, INT_MAX, do_normalize_actions },
+
{ NULL, 0, 0, NULL },
};
git://git.onelab.eu / sliver-openvswitch.git / blobdiff