diff options
Diffstat (limited to 'drivers/net/b44.c')
| -rw-r--r-- | drivers/net/b44.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/net/b44.c b/drivers/net/b44.c index 6926ebedfdc..5ae131c147f 100644 --- a/drivers/net/b44.c +++ b/drivers/net/b44.c @@ -73,8 +73,8 @@ (BP)->tx_cons - (BP)->tx_prod - TX_RING_GAP(BP)) #define NEXT_TX(N) (((N) + 1) & (B44_TX_RING_SIZE - 1)) -#define RX_PKT_OFFSET 30 -#define RX_PKT_BUF_SZ (1536 + RX_PKT_OFFSET + 64) +#define RX_PKT_OFFSET (RX_HEADER_LEN + 2) +#define RX_PKT_BUF_SZ (1536 + RX_PKT_OFFSET) /* minimum number of free TX descriptors required to wake up TX process */ #define B44_TX_WAKEUP_THRESH (B44_TX_RING_SIZE / 4) @@ -682,7 +682,6 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked) } rh = (struct rx_header *) skb->data; - skb_reserve(skb, RX_PKT_OFFSET); rh->len = 0; rh->flags = 0; @@ -693,13 +692,13 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked) if (src_map != NULL) src_map->skb = NULL; - ctrl = (DESC_CTRL_LEN & (RX_PKT_BUF_SZ - RX_PKT_OFFSET)); + ctrl = (DESC_CTRL_LEN & RX_PKT_BUF_SZ); if (dest_idx == (B44_RX_RING_SIZE - 1)) ctrl |= DESC_CTRL_EOT; dp = &bp->rx_ring[dest_idx]; dp->ctrl = cpu_to_le32(ctrl); - dp->addr = cpu_to_le32((u32) mapping + RX_PKT_OFFSET + bp->dma_offset); + dp->addr = cpu_to_le32((u32) mapping + bp->dma_offset); if (bp->flags & B44_FLAG_RX_RING_HACK) b44_sync_dma_desc_for_device(bp->sdev, bp->rx_ring_dma, @@ -809,8 +808,8 @@ static int b44_rx(struct b44 *bp, int budget) ssb_dma_unmap_single(bp->sdev, map, skb_size, DMA_FROM_DEVICE); /* Leave out rx_header */ - skb_put(skb, len + RX_PKT_OFFSET); - skb_pull(skb, RX_PKT_OFFSET); + skb_put(skb, len + RX_PKT_OFFSET); + skb_pull(skb, RX_PKT_OFFSET); } else { struct sk_buff *copy_skb; |