int count;
};
+#define netdev_uc_count(dev) ((dev)->uc.count)
+#define netdev_uc_empty(dev) ((dev)->uc.count == 0)
+#define netdev_for_each_uc_addr(ha, dev) \
+ list_for_each_entry(ha, &dev->uc.list, list)
+
struct hh_cache {
struct hh_cache *hh_next; /* Next entry */
atomic_t hh_refcnt; /* number of users */