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[SK_BUFF]: Introduce skb_reset_transport_header(skb)

Browse source 
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 <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Arnaldo Carvalho de Melo 2007-03-13 13:06:52 -03:00 • committed by David S. Miller
commit badff6d01a
49 changed files with 82 additions and 73 deletions
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6
net/appletalk/aarp.c
View file

@ -119,7 +119,7 @@ static void __aarp_send_query(struct aarp_entry *a)
/* Set up the buffer */
skb_reserve(skb, dev->hard_header_len + aarp_dl->header_length);
skb_reset_network_header(skb);
skb->h.raw = skb->data;
skb_reset_transport_header(skb);
skb_put(skb, sizeof(*eah));
skb->protocol = htons(ETH_P_ATALK);
skb->dev = dev;
@ -166,7 +166,7 @@ static void aarp_send_reply(struct net_device *dev, struct atalk_addr *us,
/* Set up the buffer */
skb_reserve(skb, dev->hard_header_len + aarp_dl->header_length);
skb_reset_network_header(skb);
skb->h.raw = skb->data;
skb_reset_transport_header(skb);
skb_put(skb, sizeof(*eah));
skb->protocol = htons(ETH_P_ATALK);
skb->dev = dev;
@ -217,7 +217,7 @@ static void aarp_send_probe(struct net_device *dev, struct atalk_addr *us)
/* Set up the buffer */
skb_reserve(skb, dev->hard_header_len + aarp_dl->header_length);
skb_reset_network_header(skb);
skb->h.raw = skb->data;
skb_reset_transport_header(skb);
skb_put(skb, sizeof(*eah));
skb->protocol = htons(ETH_P_ATALK);
skb->dev = dev;

4
net/appletalk/ddp.c
View file

@ -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: