static int ql_update_ring_coalescing(struct ql_adapter *qdev)
{
	int i, status = 0;
	struct rx_ring *rx_ring;
	struct cqicb *cqicb;

	if (!netif_running(qdev->ndev))
		return status;

	spin_lock(&qdev->hw_lock);
	/* Skip the default queue, and update the outbound handler
	 * queues if they changed.
	 */
	cqicb = (struct cqicb *)&qdev->rx_ring[1];
	if (le16_to_cpu(cqicb->irq_delay) != qdev->tx_coalesce_usecs ||
	    le16_to_cpu(cqicb->pkt_delay) != qdev->tx_max_coalesced_frames) {
		for (i = 1; i < qdev->rss_ring_first_cq_id; i++, rx_ring++) {
			rx_ring = &qdev->rx_ring[i];
			cqicb = (struct cqicb *)rx_ring;
			cqicb->irq_delay = cpu_to_le16(qdev->tx_coalesce_usecs);
			cqicb->pkt_delay =
			    cpu_to_le16(qdev->tx_max_coalesced_frames);
			cqicb->flags = FLAGS_LI;
			status = ql_write_cfg(qdev, cqicb, sizeof(cqicb),
						CFG_LCQ, rx_ring->cq_id);
			if (status) {
				QPRINTK(qdev, IFUP, ERR,
					"Failed to load CQICB.\n");
				goto exit;
			}
		}
	}

	/* Update the inbound (RSS) handler queues if they changed. */
	cqicb = (struct cqicb *)&qdev->rx_ring[qdev->rss_ring_first_cq_id];
	if (le16_to_cpu(cqicb->irq_delay) != qdev->rx_coalesce_usecs ||
	    le16_to_cpu(cqicb->pkt_delay) != qdev->rx_max_coalesced_frames) {
		for (i = qdev->rss_ring_first_cq_id;
		     i <= qdev->rss_ring_first_cq_id + qdev->rss_ring_count;
		     i++) {
			rx_ring = &qdev->rx_ring[i];
			cqicb = (struct cqicb *)rx_ring;
			cqicb->irq_delay = cpu_to_le16(qdev->rx_coalesce_usecs);
			cqicb->pkt_delay =
			    cpu_to_le16(qdev->rx_max_coalesced_frames);
			cqicb->flags = FLAGS_LI;
			status = ql_write_cfg(qdev, cqicb, sizeof(cqicb),
						CFG_LCQ, rx_ring->cq_id);
			if (status) {
				QPRINTK(qdev, IFUP, ERR,
					"Failed to load CQICB.\n");
				goto exit;
			}
		}
	}
exit:
	spin_unlock(&qdev->hw_lock);
	return status;
}
Ejemplo n.º 2
0
static int ql_update_ring_coalescing(struct ql_adapter *qdev)
{
	int i, status = 0;
	struct rx_ring *rx_ring;
	struct cqicb *cqicb;

	if (!netif_running(qdev->ndev))
		return status;

	/*                                                        
                           
  */
	cqicb = (struct cqicb *)&qdev->rx_ring[qdev->rss_ring_count];
	if (le16_to_cpu(cqicb->irq_delay) != qdev->tx_coalesce_usecs ||
		le16_to_cpu(cqicb->pkt_delay) !=
				qdev->tx_max_coalesced_frames) {
		for (i = qdev->rss_ring_count; i < qdev->rx_ring_count; i++) {
			rx_ring = &qdev->rx_ring[i];
			cqicb = (struct cqicb *)rx_ring;
			cqicb->irq_delay = cpu_to_le16(qdev->tx_coalesce_usecs);
			cqicb->pkt_delay =
			    cpu_to_le16(qdev->tx_max_coalesced_frames);
			cqicb->flags = FLAGS_LI;
			status = ql_write_cfg(qdev, cqicb, sizeof(*cqicb),
						CFG_LCQ, rx_ring->cq_id);
			if (status) {
				netif_err(qdev, ifup, qdev->ndev,
					  "Failed to load CQICB.\n");
				goto exit;
			}
		}
	}

	/*                                                          */
	cqicb = (struct cqicb *)&qdev->rx_ring[0];
	if (le16_to_cpu(cqicb->irq_delay) != qdev->rx_coalesce_usecs ||
		le16_to_cpu(cqicb->pkt_delay) !=
					qdev->rx_max_coalesced_frames) {
		for (i = 0; i < qdev->rss_ring_count; i++, rx_ring++) {
			rx_ring = &qdev->rx_ring[i];
			cqicb = (struct cqicb *)rx_ring;
			cqicb->irq_delay = cpu_to_le16(qdev->rx_coalesce_usecs);
			cqicb->pkt_delay =
			    cpu_to_le16(qdev->rx_max_coalesced_frames);
			cqicb->flags = FLAGS_LI;
			status = ql_write_cfg(qdev, cqicb, sizeof(*cqicb),
						CFG_LCQ, rx_ring->cq_id);
			if (status) {
				netif_err(qdev, ifup, qdev->ndev,
					  "Failed to load CQICB.\n");
				goto exit;
			}
		}
	}
exit:
	return status;
}