Function nfp_mask_table_add

dpdk/drivers/net/nfp/nfp_flow.c:210–253

}

static int
nfp_mask_table_add(struct nfp_flow_priv *priv,
		char *mask_data,
		uint32_t mask_len,
		uint8_t *id)
{
	int ret;
	uint8_t mask_id;
	uint32_t hash_key;
	struct nfp_mask_id_entry *mask_entry;

	mask_entry = rte_zmalloc("mask_entry", sizeof(struct nfp_mask_id_entry), 0);
	if (mask_entry == NULL) {
		ret = -ENOMEM;
		goto exit;
	}

	ret = nfp_mask_id_alloc(priv, &mask_id);
	if (ret != 0)
		goto mask_entry_free;

	hash_key = rte_jhash(mask_data, mask_len, priv->hash_seed);
	mask_entry->mask_id  = mask_id;
	mask_entry->hash_key = hash_key;
	mask_entry->ref_cnt  = 1;
	PMD_DRV_LOG(DEBUG, "hash_key=%#x id=%u ref=%u", hash_key,
			mask_id, mask_entry->ref_cnt);

	ret = rte_hash_add_key_data(priv->mask_table, &hash_key, mask_entry);
	if (ret != 0) {
		PMD_DRV_LOG(ERR, "Add to mask table failed.");
		goto mask_id_free;
	}

	*id = mask_id;
	return 0;

mask_id_free:
	nfp_mask_id_free(priv, mask_id);
mask_entry_free:
	rte_free(mask_entry);
exit:
	return ret;
}

static int
nfp_mask_table_del(struct nfp_flow_priv *priv,