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[SK_BUFF]: Introduce skb_transport_offset()

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For the quite common 'skb->h.raw - skb->data' sequence.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo
2007-04-25 17:55:53 -07:00
committed by David S. Miller
parent badff6d01a
commit ea2ae17d64
26 changed files with 64 additions and 64 deletions
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10
drivers/net/atl1/atl1_main.c
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@@ -1326,8 +1326,8 @@ static int atl1_tx_csum(struct atl1_adapter *adapter, struct sk_buff *skb,
u8 css, cso;
if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
cso = skb->h.raw - skb->data;
css = (skb->h.raw + skb->csum_offset) - skb->data;
cso = skb_transport_offset(skb);
css = cso + skb->csum;
if (unlikely(cso & 0x1)) {
printk(KERN_DEBUG "%s: payload offset != even number\n",
atl1_driver_name);
@@ -1369,8 +1369,8 @@ static void atl1_tx_map(struct atl1_adapter *adapter,
if (tcp_seg) {
/* TSO/GSO */
proto_hdr_len =
((skb->h.raw - skb->data) + (skb->h.th->doff << 2));
proto_hdr_len = (skb_transport_offset(skb) +
(skb->h.th->doff << 2));
buffer_info->length = proto_hdr_len;
page = virt_to_page(skb->data);
offset = (unsigned long)skb->data & ~PAGE_MASK;
@@ -1562,7 +1562,7 @@ static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
mss = skb_shinfo(skb)->gso_size;
if (mss) {
if (skb->protocol == htons(ETH_P_IP)) {
proto_hdr_len = ((skb->h.raw - skb->data) +
proto_hdr_len = (skb_transport_offset(skb) +
(skb->h.th->doff << 2));
if (unlikely(proto_hdr_len > len)) {
dev_kfree_skb_any(skb);