Function rte_hash_reset

dpdk/lib/hash/rte_cuckoo_hash.c:621–676

}

void
rte_hash_reset(struct rte_hash *h)
{
	uint32_t tot_ring_cnt, i;
	unsigned int pending;

	if (h == NULL)
		return;

	__hash_rw_writer_lock(h);

	if (h->dq) {
		/* Reclaim all the resources */
		rte_rcu_qsbr_dq_reclaim(h->dq, ~0, NULL, &pending, NULL);
		if (pending != 0)
			RTE_LOG(ERR, HASH, "RCU reclaim all resources failed\n");
	}

	memset(h->buckets, 0, h->num_buckets * sizeof(struct rte_hash_bucket));
	memset(h->key_store, 0, h->key_entry_size * (h->entries + 1));
	*h->tbl_chng_cnt = 0;

	/* reset the free ring */
	rte_ring_reset(h->free_slots);

	/* flush free extendable bucket ring and memory */
	if (h->ext_table_support) {
		memset(h->buckets_ext, 0, h->num_buckets *
						sizeof(struct rte_hash_bucket));
		rte_ring_reset(h->free_ext_bkts);
	}

	/* Repopulate the free slots ring. Entry zero is reserved for key misses */
	if (h->use_local_cache)
		tot_ring_cnt = h->entries + (RTE_MAX_LCORE - 1) *
					(LCORE_CACHE_SIZE - 1);
	else
		tot_ring_cnt = h->entries;

	for (i = 1; i < tot_ring_cnt + 1; i++)
		rte_ring_sp_enqueue_elem(h->free_slots, &i, sizeof(uint32_t));

	/* Repopulate the free ext bkt ring. */
	if (h->ext_table_support) {
		for (i = 1; i <= h->num_buckets; i++)
			rte_ring_sp_enqueue_elem(h->free_ext_bkts, &i,
							sizeof(uint32_t));
	}

	if (h->use_local_cache) {
		/* Reset local caches per lcore */
		for (i = 0; i < RTE_MAX_LCORE; i++)
			h->local_free_slots[i].len = 0;
	}
	__hash_rw_writer_unlock(h);
}

/*