VLOG_DEFINE_THIS_MODULE(netdev_dummy);
-struct netdev_dummy_notifier {
- struct netdev_notifier notifier;
- struct list list_node;
- struct shash_node *shash_node;
-};
-
struct netdev_dev_dummy {
struct netdev_dev netdev_dev;
uint8_t hwaddr[ETH_ADDR_LEN];
struct netdev netdev;
};
-static struct shash netdev_dummy_notifiers =
- SHASH_INITIALIZER(&netdev_dummy_notifiers);
-
static int netdev_dummy_create(const struct netdev_class *, const char *,
const struct shash *, struct netdev_dev **);
static void netdev_dummy_poll_notify(const struct netdev *);
return 0;
}
-static int
-netdev_dummy_poll_add(struct netdev *netdev,
- void (*cb)(struct netdev_notifier *), void *aux,
- struct netdev_notifier **notifierp)
-{
- const char *name = netdev_get_name(netdev);
- struct netdev_dummy_notifier *notifier;
- struct list *list;
- struct shash_node *shash_node;
-
- shash_node = shash_find_data(&netdev_dummy_notifiers, name);
- if (!shash_node) {
- list = xmalloc(sizeof *list);
- list_init(list);
- shash_node = shash_add(&netdev_dummy_notifiers, name, list);
- } else {
- list = shash_node->data;
- }
-
- notifier = xmalloc(sizeof *notifier);
- netdev_notifier_init(¬ifier->notifier, netdev, cb, aux);
- list_push_back(list, ¬ifier->list_node);
- notifier->shash_node = shash_node;
-
- *notifierp = ¬ifier->notifier;
-
- return 0;
-}
-
-static void
-netdev_dummy_poll_remove(struct netdev_notifier *notifier_)
-{
- struct netdev_dummy_notifier *notifier =
- CONTAINER_OF(notifier_, struct netdev_dummy_notifier, notifier);
-
- struct list *list;
-
- list = list_remove(¬ifier->list_node);
- if (list_is_empty(list)) {
- shash_delete(&netdev_dummy_notifiers, notifier->shash_node);
- free(list);
- }
-
- free(notifier);
-}
-
static unsigned int
netdev_dummy_change_seq(const struct netdev *netdev)
{
static void
netdev_dummy_poll_notify(const struct netdev *netdev)
{
- const char *name = netdev_get_name(netdev);
- struct list *list = shash_find_data(&netdev_dummy_notifiers, name);
struct netdev_dev_dummy *dev =
netdev_dev_dummy_cast(netdev_get_dev(netdev));
- if (list) {
- struct netdev_dummy_notifier *notifier;
-
- LIST_FOR_EACH (notifier, list_node, list) {
- struct netdev_notifier *n = ¬ifier->notifier;
- n->cb(n);
- }
- }
-
dev->change_seq++;
if (!dev->change_seq) {
dev->change_seq++;
netdev_dummy_update_flags,
- netdev_dummy_poll_add,
- netdev_dummy_poll_remove,
netdev_dummy_change_seq
};