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[SK_BUFF]: Introduce skb_reset_transport_header(skb)

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For the common, open coded 'skb->h.raw = skb->data' operation, so that we can
later turn skb->h.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 cases:

skb->h.raw = skb->data;
skb->h.raw = {skb_push|[__]skb_pull}()

The next ones 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
2007-03-13 13:06:52 -03:00
committed by David S. Miller
parent 0660e03f6b
commit badff6d01a
49 changed files with 82 additions and 73 deletions
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4
net/appletalk/ddp.c
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@ -1275,7 +1275,7 @@ static int handle_ip_over_ddp(struct sk_buff *skb)
skb->protocol = htons(ETH_P_IP);
skb_pull(skb, 13);
skb->dev = dev;
skb->h.raw = skb->data;
skb_reset_transport_header(skb);
stats = dev->priv;
stats->rx_packets++;
@ -1522,7 +1522,7 @@ static int ltalk_rcv(struct sk_buff *skb, struct net_device *dev,
/* Non routable, so force a drop if we slip up later */
ddp->deh_len_hops = htons(skb->len + (DDP_MAXHOPS << 10));
}
skb->h.raw = skb->data;
skb_reset_transport_header(skb);
return atalk_rcv(skb, dev, pt, orig_dev);
freeit: