Function sfc_rx_qstart

dpdk/drivers/net/sfc/sfc_rx.c:790–892

}

int
sfc_rx_qstart(struct sfc_adapter *sa, sfc_sw_index_t sw_index)
{
	struct sfc_adapter_shared *sas = sfc_sa2shared(sa);
	sfc_ethdev_qid_t ethdev_qid;
	struct sfc_rxq_info *rxq_info;
	struct sfc_rxq *rxq;
	struct sfc_evq *evq;
	efx_rx_prefix_layout_t pinfo;
	int rc;

	SFC_ASSERT(sw_index < sfc_sa2shared(sa)->rxq_count);
	ethdev_qid = sfc_ethdev_rx_qid_by_rxq_sw_index(sas, sw_index);

	sfc_log_init(sa, "RxQ %d (internal %u)", ethdev_qid, sw_index);

	rxq_info = &sfc_sa2shared(sa)->rxq_info[sw_index];
	SFC_ASSERT(rxq_info->state == SFC_RXQ_INITIALIZED);

	rxq = &sa->rxq_ctrl[sw_index];
	evq = rxq->evq;

	rc = sfc_ev_qstart(evq, sfc_evq_sw_index_by_rxq_sw_index(sa, sw_index));
	if (rc != 0)
		goto fail_ev_qstart;

	switch (rxq_info->type) {
	case EFX_RXQ_TYPE_DEFAULT:
		rc = efx_rx_qcreate(sa->nic, rxq->hw_index, 0, rxq_info->type,
			rxq->buf_size,
			&rxq->mem, rxq_info->entries, 0 /* not used on EF10 */,
			rxq_info->type_flags, evq->common, &rxq->common);
		break;
	case EFX_RXQ_TYPE_ES_SUPER_BUFFER: {
		struct rte_mempool *mp = rxq_info->refill_mb_pool;
		struct rte_mempool_info mp_info;

		rc = rte_mempool_ops_get_info(mp, &mp_info);
		if (rc != 0) {
			/* Positive errno is used in the driver */
			rc = -rc;
			goto fail_mp_get_info;
		}
		if (mp_info.contig_block_size <= 0) {
			rc = EINVAL;
			goto fail_bad_contig_block_size;
		}
		rc = efx_rx_qcreate_es_super_buffer(sa->nic, rxq->hw_index, 0,
			mp_info.contig_block_size, rxq->buf_size,
			mp->header_size + mp->elt_size + mp->trailer_size,
			sa->rxd_wait_timeout_ns,
			&rxq->mem, rxq_info->entries, rxq_info->type_flags,
			evq->common, &rxq->common);
		break;
	}
	default:
		rc = ENOTSUP;
	}