diff options
Diffstat (limited to 'drivers/net/bnx2.c')
| -rw-r--r-- | drivers/net/bnx2.c | 34 |
1 files changed, 15 insertions, 19 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index c56888e6635..8ce5ae84c83 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -359,15 +359,11 @@ bnx2_free_mem(struct bnx2 *bp) { int i; - if (bp->stats_blk) { - pci_free_consistent(bp->pdev, sizeof(struct statistics_block), - bp->stats_blk, bp->stats_blk_mapping); - bp->stats_blk = NULL; - } if (bp->status_blk) { - pci_free_consistent(bp->pdev, sizeof(struct status_block), + pci_free_consistent(bp->pdev, bp->status_stats_size, bp->status_blk, bp->status_blk_mapping); bp->status_blk = NULL; + bp->stats_blk = NULL; } if (bp->tx_desc_ring) { pci_free_consistent(bp->pdev, @@ -392,14 +388,13 @@ bnx2_free_mem(struct bnx2 *bp) static int bnx2_alloc_mem(struct bnx2 *bp) { - int i; + int i, status_blk_size; - bp->tx_buf_ring = kmalloc(sizeof(struct sw_bd) * TX_DESC_CNT, - GFP_KERNEL); + bp->tx_buf_ring = kzalloc(sizeof(struct sw_bd) * TX_DESC_CNT, + GFP_KERNEL); if (bp->tx_buf_ring == NULL) return -ENOMEM; - memset(bp->tx_buf_ring, 0, sizeof(struct sw_bd) * TX_DESC_CNT); bp->tx_desc_ring = pci_alloc_consistent(bp->pdev, sizeof(struct tx_bd) * TX_DESC_CNT, @@ -425,21 +420,22 @@ bnx2_alloc_mem(struct bnx2 *bp) } - bp->status_blk = pci_alloc_consistent(bp->pdev, - sizeof(struct status_block), + /* Combine status and statistics blocks into one allocation. */ + status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block)); + bp->status_stats_size = status_blk_size + + sizeof(struct statistics_block); + + bp->status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size, &bp->status_blk_mapping); if (bp->status_blk == NULL) goto alloc_mem_err; - memset(bp->status_blk, 0, sizeof(struct status_block)); + memset(bp->status_blk, 0, bp->status_stats_size); - bp->stats_blk = pci_alloc_consistent(bp->pdev, - sizeof(struct statistics_block), - &bp->stats_blk_mapping); - if (bp->stats_blk == NULL) - goto alloc_mem_err; + bp->stats_blk = (void *) ((unsigned long) bp->status_blk + + status_blk_size); - memset(bp->stats_blk, 0, sizeof(struct statistics_block)); + bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size; return 0; |