#include <string.h>
#include <unistd.h>
-#include "connectivity.h"
#include "coverage.h"
#include "dpif.h"
#include "dynamic-string.h"
#include "openflow/openflow.h"
#include "packets.h"
#include "poll-loop.h"
-#include "seq.h"
#include "shash.h"
#include "smap.h"
#include "sset.h"
}
static void
-netdev_initialize(void)
+netdev_class_mutex_initialize(void)
OVS_EXCLUDED(netdev_class_mutex, netdev_mutex)
{
static struct ovsthread_once once = OVSTHREAD_ONCE_INITIALIZER;
if (ovsthread_once_start(&once)) {
ovs_mutex_init_recursive(&netdev_class_mutex);
+ ovsthread_once_done(&once);
+ }
+}
+
+static void
+netdev_initialize(void)
+ OVS_EXCLUDED(netdev_class_mutex, netdev_mutex)
+{
+ static struct ovsthread_once once = OVSTHREAD_ONCE_INITIALIZER;
+
+ if (ovsthread_once_start(&once)) {
+ netdev_class_mutex_initialize();
fatal_signal_add_hook(restore_all_flags, NULL, NULL, true);
netdev_vport_patch_register();
{
struct netdev_registered_class *rc;
+ netdev_initialize();
ovs_mutex_lock(&netdev_class_mutex);
HMAP_FOR_EACH (rc, hmap_node, &netdev_classes) {
if (rc->class->run) {
{
int error;
+ netdev_class_mutex_initialize();
ovs_mutex_lock(&netdev_class_mutex);
if (netdev_lookup_class(new_class->type)) {
VLOG_WARN("attempted to register duplicate netdev provider: %s",
memset(netdev, 0, sizeof *netdev);
netdev->netdev_class = rc->class;
netdev->name = xstrdup(name);
+ netdev->change_seq = 1;
netdev->node = shash_add(&netdev_shash, name, netdev);
/* By default enable one rx queue per netdev. */
int old_ref_cnt;
atomic_add(&rc->ref_cnt, 1, &old_ref_cnt);
- seq_change(connectivity_seq_get());
+ netdev_change_seq_changed(netdev);
} else {
free(netdev->name);
ovs_assert(list_is_empty(&netdev->saved_flags_list));
ovs_mutex_unlock(&netdev_mutex);
}
+/* Extracts pointers to all 'netdev-vports' into an array 'vports'
+ * and returns it. Stores the size of the array into '*size'.
+ *
+ * The caller is responsible for freeing 'vports' and must close
+ * each 'netdev-vport' in the list. */
+struct netdev **
+netdev_get_vports(size_t *size)
+ OVS_EXCLUDED(netdev_mutex)
+{
+ struct netdev **vports;
+ struct shash_node *node;
+ size_t n = 0;
+
+ if (!size) {
+ return NULL;
+ }
+
+ /* Explicitly allocates big enough chunk of memory. */
+ vports = xmalloc(shash_count(&netdev_shash) * sizeof *vports);
+ ovs_mutex_lock(&netdev_mutex);
+ SHASH_FOR_EACH (node, &netdev_shash) {
+ struct netdev *dev = node->data;
+
+ if (netdev_vport_is_vport_class(dev->netdev_class)) {
+ dev->ref_cnt++;
+ vports[n] = dev;
+ n++;
+ }
+ }
+ ovs_mutex_unlock(&netdev_mutex);
+ *size = n;
+
+ return vports;
+}
+
const char *
netdev_get_type_from_name(const char *name)
{
}
}
}
+
+uint64_t
+netdev_get_change_seq(const struct netdev *netdev)
+{
+ return netdev->change_seq;
+}