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Commit 52e55f3c authored by Ron Mercer's avatar Ron Mercer Committed by David S. Miller
Browse files

qlge: Remove inline math for small rx buf mapping. 



rx_ring->sbq_buf_len now holds the length of the mapped portion of the
buffer rather than the overall length.

Signed-off-by: default avatarRon Mercer <ron.mercer@qlogic.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 88051b4e

drivers/net/qlge/qlge.h

+2 −1
Original line number Diff line number Diff line
@@ -54,7 +54,8 @@ 
#define RX_RING_SHADOW_SPACE	(sizeof(u64) + \

		MAX_DB_PAGES_PER_BQ(NUM_SMALL_BUFFERS) * sizeof(u64) + \

		MAX_DB_PAGES_PER_BQ(NUM_LARGE_BUFFERS) * sizeof(u64))

#define SMALL_BUFFER_SIZE 256

#define SMALL_BUFFER_SIZE 512

#define SMALL_BUF_MAP_SIZE (SMALL_BUFFER_SIZE / 2)

#define LARGE_BUFFER_SIZE	PAGE_SIZE

#define MAX_SPLIT_SIZE 1023

#define QLGE_SB_PAD 32

drivers/net/qlge/qlge_main.c

+7 −7
Original line number Diff line number Diff line
@@ -1147,7 +1147,7 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) 
					sbq_desc->index);

				sbq_desc->p.skb =

				    netdev_alloc_skb(qdev->ndev,

						     rx_ring->sbq_buf_size);

						     SMALL_BUFFER_SIZE);

				if (sbq_desc->p.skb == NULL) {

					QPRINTK(qdev, PROBE, ERR,

						"Couldn't get an skb.\n");
@@ -1157,8 +1157,8 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) 
				skb_reserve(sbq_desc->p.skb, QLGE_SB_PAD);

				map = pci_map_single(qdev->pdev,

						     sbq_desc->p.skb->data,

						     rx_ring->sbq_buf_size /

						     2, PCI_DMA_FROMDEVICE);

						     rx_ring->sbq_buf_size,

						     PCI_DMA_FROMDEVICE);

				if (pci_dma_mapping_error(qdev->pdev, map)) {

					QPRINTK(qdev, IFUP, ERR, "PCI mapping failed.\n");

					rx_ring->sbq_clean_idx = clean_idx;
@@ -1168,7 +1168,7 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) 
				}

				pci_unmap_addr_set(sbq_desc, mapaddr, map);

				pci_unmap_len_set(sbq_desc, maplen,

						  rx_ring->sbq_buf_size / 2);

						  rx_ring->sbq_buf_size);

				*sbq_desc->addr = cpu_to_le64(map);

			}
@@ -2693,7 +2693,7 @@ static int ql_start_rx_ring(struct ql_adapter *qdev, struct rx_ring *rx_ring) 
		cqicb->sbq_addr =

		    cpu_to_le64(rx_ring->sbq_base_indirect_dma);

		cqicb->sbq_buf_size =

		    cpu_to_le16((u16)(rx_ring->sbq_buf_size/2));

		    cpu_to_le16((u16)(rx_ring->sbq_buf_size));

		bq_len = (rx_ring->sbq_len == 65536) ? 0 :

			(u16) rx_ring->sbq_len;

		cqicb->sbq_len = cpu_to_le16(bq_len);
@@ -3269,7 +3269,7 @@ static int ql_adapter_initialize(struct ql_adapter *qdev) 
	ql_write32(qdev, FSC, mask | value);



	ql_write32(qdev, SPLT_HDR, SPLT_HDR_EP |

		min(SMALL_BUFFER_SIZE, MAX_SPLIT_SIZE));

		min(SMALL_BUF_MAP_SIZE, MAX_SPLIT_SIZE));



	/* Set RX packet routing to use port/pci function on which the

	 * packet arrived on in addition to usual frame routing.
@@ -3549,7 +3549,7 @@ static int ql_configure_rings(struct ql_adapter *qdev) 
			rx_ring->sbq_len = NUM_SMALL_BUFFERS;

			rx_ring->sbq_size =

			    rx_ring->sbq_len * sizeof(__le64);

			rx_ring->sbq_buf_size = SMALL_BUFFER_SIZE * 2;

			rx_ring->sbq_buf_size = SMALL_BUF_MAP_SIZE;

			rx_ring->type = RX_Q;

		} else {

			/*