+
+/* ring_grp usage:
+ * [0] = default completion ring
+ * [1 -> +rx_cp_nr_rings] = rx_cp, rx rings
+ * [1+rx_cp_nr_rings + 1 -> +tx_cp_nr_rings] = tx_cp, tx rings
+ */
+int bnxt_alloc_hwrm_rings(struct bnxt *bp)
+{
+ struct rte_pci_device *pci_dev = bp->pdev;
+ unsigned int i;
+ int rc = 0;
+
+ for (i = 0; i < bp->rx_cp_nr_rings; i++) {
+ struct bnxt_rx_queue *rxq = bp->rx_queues[i];
+ struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
+ struct bnxt_ring *cp_ring = cpr->cp_ring_struct;
+ struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
+ struct bnxt_ring *ring = rxr->rx_ring_struct;
+ unsigned int idx = i + 1;
+ unsigned int map_idx = idx + bp->rx_cp_nr_rings;
+
+ bp->grp_info[i].fw_stats_ctx = cpr->hw_stats_ctx_id;
+
+ /* Rx cmpl */
+ rc = bnxt_hwrm_ring_alloc(bp, cp_ring,
+ HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
+ idx, HWRM_NA_SIGNATURE,
+ HWRM_NA_SIGNATURE);
+ if (rc)
+ goto err_out;
+ cpr->cp_doorbell = (char *)pci_dev->mem_resource[2].addr +
+ idx * 0x80;
+ bp->grp_info[i].cp_fw_ring_id = cp_ring->fw_ring_id;
+ B_CP_DIS_DB(cpr, cpr->cp_raw_cons);
+
+ /* Rx ring */
+ rc = bnxt_hwrm_ring_alloc(bp, ring,
+ HWRM_RING_ALLOC_INPUT_RING_TYPE_RX,
+ idx, cpr->hw_stats_ctx_id,
+ cp_ring->fw_ring_id);
+ if (rc)
+ goto err_out;
+ rxr->rx_prod = 0;
+ rxr->rx_doorbell = (char *)pci_dev->mem_resource[2].addr +
+ idx * 0x80;
+ bp->grp_info[i].rx_fw_ring_id = ring->fw_ring_id;
+ B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
+
+ ring = rxr->ag_ring_struct;
+ /* Agg ring */
+ if (ring == NULL)
+ RTE_LOG(ERR, PMD, "Alloc AGG Ring is NULL!\n");
+
+ rc = bnxt_hwrm_ring_alloc(bp, ring,
+ HWRM_RING_ALLOC_INPUT_RING_TYPE_RX,
+ map_idx, HWRM_NA_SIGNATURE,
+ cp_ring->fw_ring_id);
+ if (rc)
+ goto err_out;
+ RTE_LOG(DEBUG, PMD, "Alloc AGG Done!\n");
+ rxr->ag_prod = 0;
+ rxr->ag_doorbell =
+ (char *)pci_dev->mem_resource[2].addr +
+ map_idx * 0x80;
+ bp->grp_info[i].ag_fw_ring_id = ring->fw_ring_id;
+ B_RX_DB(rxr->ag_doorbell, rxr->ag_prod);
+
+ rxq->rx_buf_use_size = BNXT_MAX_MTU + ETHER_HDR_LEN +
+ ETHER_CRC_LEN + (2 * VLAN_TAG_SIZE);
+ if (bnxt_init_one_rx_ring(rxq)) {
+ RTE_LOG(ERR, PMD, "bnxt_init_one_rx_ring failed!\n");
+ bnxt_rx_queue_release_op(rxq);
+ return -ENOMEM;
+ }
+ B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
+ B_RX_DB(rxr->ag_doorbell, rxr->ag_prod);
+ rxq->index = idx;
+ }
+
+ for (i = 0; i < bp->tx_cp_nr_rings; i++) {
+ struct bnxt_tx_queue *txq = bp->tx_queues[i];
+ 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 = i + 1 + bp->rx_cp_nr_rings;
+
+ /* Account for AGG Rings. AGG ring cnt = Rx Cmpl ring cnt */
+ idx += bp->rx_cp_nr_rings;
+
+ /* Tx cmpl */
+ rc = bnxt_hwrm_ring_alloc(bp, cp_ring,
+ HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
+ idx, HWRM_NA_SIGNATURE,
+ HWRM_NA_SIGNATURE);
+ if (rc)
+ goto err_out;
+
+ cpr->cp_doorbell = (char *)pci_dev->mem_resource[2].addr +
+ idx * 0x80;
+ B_CP_DIS_DB(cpr, cpr->cp_raw_cons);
+
+ /* Tx ring */
+ rc = bnxt_hwrm_ring_alloc(bp, ring,
+ HWRM_RING_ALLOC_INPUT_RING_TYPE_TX,
+ idx, cpr->hw_stats_ctx_id,
+ cp_ring->fw_ring_id);
+ if (rc)
+ goto err_out;
+
+ txr->tx_doorbell = (char *)pci_dev->mem_resource[2].addr +
+ idx * 0x80;
+ txq->index = idx;
+ }
+
+err_out:
+ return rc;
+}