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[SK_BUFF]: Introduce skb_reset_mac_header(skb)

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For the common, open coded 'skb->mac.raw = skb->data' operation, so that we can
later turn skb->mac.raw into a offset, reducing the size of struct sk_buff in
64bit land while possibly keeping it as a pointer on 32bit.

This one touches just the most simple case, next will handle the slightly more
"complex" cases.

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
2007-03-19 15:30:44 -07:00
committed by David S. Miller
parent 4c13eb6657
commit 459a98ed88
85 changed files with 121 additions and 111 deletions
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net/irda/irlap_frame.c
+2 -1
View File
@@ -93,7 +93,8 @@ void irlap_queue_xmit(struct irlap_cb *self, struct sk_buff *skb)
{
/* Some common init stuff */
skb->dev = self->netdev;
skb->h.raw = skb->nh.raw = skb->mac.raw = skb->data;
skb_reset_mac_header(skb);
skb->h.raw = skb->nh.raw = skb->data;
skb->protocol = htons(ETH_P_IRDA);
skb->priority = TC_PRIO_BESTEFFORT;
net/irda/wrapper.c
+1 -1
View File
@@ -256,7 +256,7 @@ async_bump(struct net_device *dev,
/* Feed it to IrLAP layer */
dataskb->dev = dev;
dataskb->mac.raw = dataskb->data;
skb_reset_mac_header(dataskb);
dataskb->protocol = htons(ETH_P_IRDA);
netif_rx(dataskb);