Function mrvl_priv_create

dpdk/drivers/net/mvpp2/mrvl_ethdev.c:3060–3110

* Create private device structure. * * @param dev_name * Pointer to the port name passed in the initialization parameters. * * @return * Pointer to the newly allocated private device structure. */

 *   Pointer to the newly allocated private device structure.
 */
static struct mrvl_priv *
mrvl_priv_create(const char *dev_name)
{
	struct pp2_bpool_params bpool_params;
	char match[MRVL_MATCH_LEN];
	struct mrvl_priv *priv;
	uint16_t max_frame_size;
	int ret, bpool_bit;

	priv = rte_zmalloc_socket(dev_name, sizeof(*priv), 0, rte_socket_id());
	if (!priv)
		return NULL;

	ret = pp2_netdev_get_ppio_info((char *)(uintptr_t)dev_name,
				       &priv->pp_id, &priv->ppio_id);
	if (ret)
		goto out_free_priv;

	ret = pp2_ppio_get_l4_cksum_max_frame_size(priv->pp_id, priv->ppio_id,
						   &max_frame_size);
	if (ret)
		goto out_free_priv;

	priv->max_mtu = max_frame_size + RTE_ETHER_CRC_LEN -
		MRVL_PP2_ETH_HDRS_LEN;

	bpool_bit = mrvl_reserve_bit(&used_bpools[priv->pp_id],
				     PP2_BPOOL_NUM_POOLS);
	if (bpool_bit < 0)
		goto out_free_priv;
	priv->bpool_bit = bpool_bit;

	snprintf(match, sizeof(match), "pool-%d:%d", priv->pp_id,
		 priv->bpool_bit);
	memset(&bpool_params, 0, sizeof(bpool_params));
	bpool_params.match = match;
	bpool_params.buff_len = MRVL_PKT_SIZE_MAX + MRVL_PKT_EFFEC_OFFS;
	ret = pp2_bpool_init(&bpool_params, &priv->bpool);
	if (ret)
		goto out_clear_bpool_bit;

	priv->ppio_params.type = PP2_PPIO_T_NIC;
	rte_spinlock_init(&priv->lock);

	return priv;
out_clear_bpool_bit:
	used_bpools[priv->pp_id] &= ~(1 << priv->bpool_bit);
out_free_priv:
	rte_free(priv);
	return NULL;
}

/**
 * Create device representing Ethernet port.