[BNX2]: Add ring constants.

Define the various ring constants to make the code cleaner.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 4e7b46e..dfe50c2 100644 (file)
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -468,8 +468,7 @@ bnx2_free_mem(struct bnx2 *bp)
                bp->stats_blk = NULL;
        }
        if (bp->tx_desc_ring) {
-               pci_free_consistent(bp->pdev,
-                                   sizeof(struct tx_bd) * TX_DESC_CNT,
+               pci_free_consistent(bp->pdev, TXBD_RING_SIZE,
                                    bp->tx_desc_ring, bp->tx_desc_mapping);
                bp->tx_desc_ring = NULL;
        }
@@ -477,8 +476,7 @@ bnx2_free_mem(struct bnx2 *bp)
        bp->tx_buf_ring = NULL;
        for (i = 0; i < bp->rx_max_ring; i++) {
                if (bp->rx_desc_ring[i])
-                       pci_free_consistent(bp->pdev,
-                                           sizeof(struct rx_bd) * RX_DESC_CNT,
+                       pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
                                            bp->rx_desc_ring[i],
                                            bp->rx_desc_mapping[i]);
                bp->rx_desc_ring[i] = NULL;
@@ -492,30 +490,24 @@ bnx2_alloc_mem(struct bnx2 *bp)
 {
        int i, status_blk_size;
 
-       bp->tx_buf_ring = kzalloc(sizeof(struct sw_bd) * TX_DESC_CNT,
-                                 GFP_KERNEL);
+       bp->tx_buf_ring = kzalloc(SW_TXBD_RING_SIZE, GFP_KERNEL);
        if (bp->tx_buf_ring == NULL)
                return -ENOMEM;
 
-       bp->tx_desc_ring = pci_alloc_consistent(bp->pdev,
-                                               sizeof(struct tx_bd) *
-                                               TX_DESC_CNT,
+       bp->tx_desc_ring = pci_alloc_consistent(bp->pdev, TXBD_RING_SIZE,
                                                &bp->tx_desc_mapping);
        if (bp->tx_desc_ring == NULL)
                goto alloc_mem_err;
 
-       bp->rx_buf_ring = vmalloc(sizeof(struct sw_bd) * RX_DESC_CNT *
-                                 bp->rx_max_ring);
+       bp->rx_buf_ring = vmalloc(SW_RXBD_RING_SIZE * bp->rx_max_ring);
        if (bp->rx_buf_ring == NULL)
                goto alloc_mem_err;
 
-       memset(bp->rx_buf_ring, 0, sizeof(struct sw_bd) * RX_DESC_CNT *
-                                  bp->rx_max_ring);
+       memset(bp->rx_buf_ring, 0, SW_RXBD_RING_SIZE * bp->rx_max_ring);
 
        for (i = 0; i < bp->rx_max_ring; i++) {
                bp->rx_desc_ring[i] =
-                       pci_alloc_consistent(bp->pdev,
-                                            sizeof(struct rx_bd) * RX_DESC_CNT,
+                       pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE,
                                             &bp->rx_desc_mapping[i]);
                if (bp->rx_desc_ring[i] == NULL)
                        goto alloc_mem_err;

diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h
index 30ba366..e6a2153 100644 (file)
--- a/drivers/net/bnx2.h
+++ b/drivers/net/bnx2.h
@@ -6408,6 +6408,11 @@ struct sw_bd {
        DECLARE_PCI_UNMAP_ADDR(mapping)
 };
 
+#define SW_RXBD_RING_SIZE (sizeof(struct sw_bd) * RX_DESC_CNT)
+#define RXBD_RING_SIZE (sizeof(struct rx_bd) * RX_DESC_CNT)
+#define SW_TXBD_RING_SIZE (sizeof(struct sw_bd) * TX_DESC_CNT)
+#define TXBD_RING_SIZE (sizeof(struct tx_bd) * TX_DESC_CNT)
+
 /* Buffered flash (Atmel: AT45DB011B) specific information */
 #define SEEPROM_PAGE_BITS                      2
 #define SEEPROM_PHY_PAGE_SIZE                  (1 << SEEPROM_PAGE_BITS)