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--- 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 *
}
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 *
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 bu
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;
|
