mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-16 20:39:42 +02:00
49 lines
1.6 KiB
Diff
49 lines
1.6 KiB
Diff
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--- a/drivers/net/b44.c
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+++ b/drivers/net/b44.c
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@@ -73,8 +73,8 @@
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(BP)->tx_cons - (BP)->tx_prod - TX_RING_GAP(BP))
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#define NEXT_TX(N) (((N) + 1) & (B44_TX_RING_SIZE - 1))
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-#define RX_PKT_OFFSET 30
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-#define RX_PKT_BUF_SZ (1536 + RX_PKT_OFFSET + 64)
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+#define RX_PKT_OFFSET (RX_HEADER_LEN + 2)
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+#define RX_PKT_BUF_SZ (1536 + RX_PKT_OFFSET)
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/* minimum number of free TX descriptors required to wake up TX process */
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#define B44_TX_WAKEUP_THRESH (B44_TX_RING_SIZE / 4)
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@@ -682,7 +682,6 @@ static int b44_alloc_rx_skb(struct b44 *
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}
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rh = (struct rx_header *) skb->data;
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- skb_reserve(skb, RX_PKT_OFFSET);
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rh->len = 0;
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rh->flags = 0;
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@@ -693,13 +692,13 @@ static int b44_alloc_rx_skb(struct b44 *
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if (src_map != NULL)
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src_map->skb = NULL;
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- ctrl = (DESC_CTRL_LEN & (RX_PKT_BUF_SZ - RX_PKT_OFFSET));
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+ ctrl = (DESC_CTRL_LEN & RX_PKT_BUF_SZ);
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if (dest_idx == (B44_RX_RING_SIZE - 1))
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ctrl |= DESC_CTRL_EOT;
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dp = &bp->rx_ring[dest_idx];
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dp->ctrl = cpu_to_le32(ctrl);
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- dp->addr = cpu_to_le32((u32) mapping + RX_PKT_OFFSET + bp->dma_offset);
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+ dp->addr = cpu_to_le32((u32) mapping + bp->dma_offset);
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if (bp->flags & B44_FLAG_RX_RING_HACK)
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b44_sync_dma_desc_for_device(bp->sdev, bp->rx_ring_dma,
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@@ -809,8 +808,8 @@ static int b44_rx(struct b44 *bp, int bu
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ssb_dma_unmap_single(bp->sdev, map,
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skb_size, DMA_FROM_DEVICE);
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/* Leave out rx_header */
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- skb_put(skb, len + RX_PKT_OFFSET);
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- skb_pull(skb, RX_PKT_OFFSET);
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+ skb_put(skb, len + RX_PKT_OFFSET);
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+ skb_pull(skb, RX_PKT_OFFSET);
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} else {
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struct sk_buff *copy_skb;
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