Function bnxt_alloc_hwrm_tx_ring

dpdk/drivers/net/bnxt/bnxt_ring.c:868–913

}

int bnxt_alloc_hwrm_tx_ring(struct bnxt *bp, int queue_index)
{
	struct bnxt_tx_queue *txq = bp->tx_queues[queue_index];
	struct bnxt_cp_ring_info *cpr = txq->cp_ring;
	struct bnxt_ring *cp_ring = cpr->cp_ring_struct;
	struct bnxt_tx_ring_info *txr = txq->tx_ring;
	struct bnxt_ring *ring = txr->tx_ring_struct;
	unsigned int idx = queue_index + bp->rx_cp_nr_rings;
	uint16_t tx_cosq_id = 0;
	struct bnxt_coal coal;
	int rc = 0;

	rc = bnxt_alloc_cmpl_ring(bp, idx, cpr);
	if (rc)
		goto err_out;

	bnxt_init_dflt_coal(&coal);
	bnxt_hwrm_set_ring_coal(bp, &coal, cp_ring->fw_ring_id);

	rc = bnxt_hwrm_stat_ctx_alloc(bp, cpr);
	if (rc)
		goto err_out;

	if (bp->vnic_cap_flags & BNXT_VNIC_CAP_COS_CLASSIFY)
		tx_cosq_id = bp->tx_cosq_id[queue_index < bp->max_lltc ? queue_index : 0];
	else
		tx_cosq_id = bp->tx_cosq_id[0];

	rc = bnxt_hwrm_ring_alloc(bp, ring,
				  HWRM_RING_ALLOC_INPUT_RING_TYPE_TX,
				  queue_index, cpr->hw_stats_ctx_id,
				  cp_ring->fw_ring_id,
				  tx_cosq_id);
	if (rc)
		goto err_out;

	bnxt_set_db(bp, &txr->tx_db, HWRM_RING_ALLOC_INPUT_RING_TYPE_TX,
		    queue_index, ring->fw_ring_id,
		    ring->ring_mask);
	txq->index = idx;

	return rc;
err_out:
	bnxt_free_hwrm_tx_ring(bp, queue_index);
	return rc;
}