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path: root/drivers/net/forcedeth.c
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Diffstat (limited to 'drivers/net/forcedeth.c')
-rw-r--r--drivers/net/forcedeth.c30
1 files changed, 17 insertions, 13 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index d04214e..7a01802 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -1385,11 +1385,12 @@ static int nv_alloc_rx(struct net_device *dev)
while (np->put_rx.orig != less_rx) {
struct sk_buff *skb = dev_alloc_skb(np->rx_buf_sz + NV_RX_ALLOC_PAD);
if (skb) {
- skb->dev = dev;
np->put_rx_ctx->skb = skb;
- np->put_rx_ctx->dma = pci_map_single(np->pci_dev, skb->data,
- skb->end-skb->data, PCI_DMA_FROMDEVICE);
- np->put_rx_ctx->dma_len = skb->end-skb->data;
+ np->put_rx_ctx->dma = pci_map_single(np->pci_dev,
+ skb->data,
+ skb_tailroom(skb),
+ PCI_DMA_FROMDEVICE);
+ np->put_rx_ctx->dma_len = skb_tailroom(skb);
np->put_rx.orig->buf = cpu_to_le32(np->put_rx_ctx->dma);
wmb();
np->put_rx.orig->flaglen = cpu_to_le32(np->rx_buf_sz | NV_RX_AVAIL);
@@ -1416,11 +1417,12 @@ static int nv_alloc_rx_optimized(struct net_device *dev)
while (np->put_rx.ex != less_rx) {
struct sk_buff *skb = dev_alloc_skb(np->rx_buf_sz + NV_RX_ALLOC_PAD);
if (skb) {
- skb->dev = dev;
np->put_rx_ctx->skb = skb;
- np->put_rx_ctx->dma = pci_map_single(np->pci_dev, skb->data,
- skb->end-skb->data, PCI_DMA_FROMDEVICE);
- np->put_rx_ctx->dma_len = skb->end-skb->data;
+ np->put_rx_ctx->dma = pci_map_single(np->pci_dev,
+ skb->data,
+ skb_tailroom(skb),
+ PCI_DMA_FROMDEVICE);
+ np->put_rx_ctx->dma_len = skb_tailroom(skb);
np->put_rx.ex->bufhigh = cpu_to_le64(np->put_rx_ctx->dma) >> 32;
np->put_rx.ex->buflow = cpu_to_le64(np->put_rx_ctx->dma) & 0x0FFFFFFFF;
wmb();
@@ -1604,8 +1606,9 @@ static void nv_drain_rx(struct net_device *dev)
wmb();
if (np->rx_skb[i].skb) {
pci_unmap_single(np->pci_dev, np->rx_skb[i].dma,
- np->rx_skb[i].skb->end-np->rx_skb[i].skb->data,
- PCI_DMA_FROMDEVICE);
+ (skb_end_pointer(np->rx_skb[i].skb) -
+ np->rx_skb[i].skb->data),
+ PCI_DMA_FROMDEVICE);
dev_kfree_skb(np->rx_skb[i].skb);
np->rx_skb[i].skb = NULL;
}
@@ -4376,11 +4379,12 @@ static int nv_loopback_test(struct net_device *dev)
ret = 0;
goto out;
}
+ test_dma_addr = pci_map_single(np->pci_dev, tx_skb->data,
+ skb_tailroom(tx_skb),
+ PCI_DMA_FROMDEVICE);
pkt_data = skb_put(tx_skb, pkt_len);
for (i = 0; i < pkt_len; i++)
pkt_data[i] = (u8)(i & 0xff);
- test_dma_addr = pci_map_single(np->pci_dev, tx_skb->data,
- tx_skb->end-tx_skb->data, PCI_DMA_FROMDEVICE);
if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) {
np->tx_ring.orig[0].buf = cpu_to_le32(test_dma_addr);
@@ -4437,7 +4441,7 @@ static int nv_loopback_test(struct net_device *dev)
}
pci_unmap_page(np->pci_dev, test_dma_addr,
- tx_skb->end-tx_skb->data,
+ (skb_end_pointer(tx_skb) - tx_skb->data),
PCI_DMA_TODEVICE);
dev_kfree_skb_any(tx_skb);
out:
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