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[SK_BUFF]: Convert skb->end to sk_buff_data_t

Browse source 
Now to convert the last one, skb->data, that will allow many simplifications
and removal of some of the offset helpers.

Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Arnaldo Carvalho de Melo 2007-04-19 20:43:29 -07:00 • committed by David S. Miller
commit 4305b54135
15 changed files with 101 additions and 56 deletions
Download patch file Download diff file Expand all files Collapse all files

3
drivers/net/cris/eth_v10.c
View file

@ -1348,7 +1348,8 @@ e100_rx(struct net_device *dev)
#ifdef ETHDEBUG
printk("head = 0x%x, data = 0x%x, tail = 0x%x, end = 0x%x\n",
skb->head, skb->data, skb_tail_pointer(skb), skb->end);
skb->head, skb->data, skb_tail_pointer(skb),
skb_end_pointer(skb));
printk("copying packet to 0x%x.\n", skb_data_ptr);
#endif

30
drivers/net/forcedeth.c
View file

@ -1386,9 +1386,13 @@ static int nv_alloc_rx(struct net_device *dev)
struct sk_buff *skb = dev_alloc_skb(np->rx_buf_sz + NV_RX_ALLOC_PAD);
if (skb) {
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_end_pointer(skb) -
skb->data),
PCI_DMA_FROMDEVICE);
np->put_rx_ctx->dma_len = (skb_end_pointer(skb) -
skb->data);
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);
@ -1416,9 +1420,13 @@ static int nv_alloc_rx_optimized(struct net_device *dev)
struct sk_buff *skb = dev_alloc_skb(np->rx_buf_sz + NV_RX_ALLOC_PAD);
if (skb) {
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_end_pointer(skb) -
skb->data),
PCI_DMA_FROMDEVICE);
np->put_rx_ctx->dma_len = (skb_end_pointer(skb) -
skb->data);
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();
@ -1602,8 +1610,9 @@ 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;
}
@ -4378,7 +4387,8 @@ static int nv_loopback_test(struct net_device *dev)
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);
(skb_end_pointer(tx_skb) -
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);
@ -4435,7 +4445,7 @@ 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:

2
drivers/net/macb.c
View file

@ -576,7 +576,7 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev)
dev_dbg(&bp->pdev->dev,
"start_xmit: len %u head %p data %p tail %p end %p\n",
skb->len, skb->head, skb->data,
skb_tail_pointer(skb), skb->end);
skb_tail_pointer(skb), skb_end_pointer(skb));
dev_dbg(&bp->pdev->dev,
"data:");
for (i = 0; i < 16; i++)

2
drivers/net/wan/lmc/lmc_main.c
View file

@ -1932,7 +1932,7 @@ static void lmc_softreset (lmc_softc_t * const sc) /*fold00*/
sc->lmc_rxring[i].status = 0x80000000;
/* used to be PKT_BUF_SZ now uses skb since we lose some to head room */
sc->lmc_rxring[i].length = skb->end - skb->data;
sc->lmc_rxring[i].length = skb_end_pointer(skb) - skb->data;
/* use to be tail which is dumb since you're thinking why write
* to the end of the packj,et but since there's nothing there tail == data

2
drivers/net/wireless/hostap/hostap_80211_rx.c
View file

@ -922,7 +922,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb,
if (frag != 0)
flen -= hdrlen;
if (skb_tail_pointer(frag_skb) + flen > frag_skb->end) {
if (frag_skb->tail + flen > frag_skb->end) {
printk(KERN_WARNING "%s: host decrypted and "
"reassembled frame did not fit skb\n",
dev->name);