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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
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/arcnet/arc-rawmode.c
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@ -110,7 +110,7 @@ static void rx(struct net_device *dev, int bufnum,
pkt = (struct archdr *) skb->data;
skb->mac.raw = skb->data;
skb_reset_mac_header(skb);
skb_pull(skb, ARC_HDR_SIZE);
/* up to sizeof(pkt->soft) has already been copied from the card */

11
drivers/net/arcnet/capmode.c
View File

@ -122,10 +122,8 @@ static void rx(struct net_device *dev, int bufnum,
}
skb_put(skb, length + ARC_HDR_SIZE + sizeof(int));
skb->dev = dev;
pkt = (struct archdr *) skb->data;
skb->mac.raw = skb->data;
skb_reset_mac_header(skb);
pkt = (struct archdr *)skb->mac.raw;
skb_pull(skb, ARC_HDR_SIZE);
/* up to sizeof(pkt->soft) has already been copied from the card */
@ -270,9 +268,8 @@ static int ack_tx(struct net_device *dev, int acked)
skb_put(ackskb, length + ARC_HDR_SIZE );
ackskb->dev = dev;
ackpkt = (struct archdr *) ackskb->data;
ackskb->mac.raw = ackskb->data;
skb_reset_mac_header(ackskb);
ackpkt = (struct archdr *)ackskb->mac.raw;
/* skb_pull(ackskb, ARC_HDR_SIZE); */

2
drivers/net/arcnet/rfc1051.c
View File

@ -94,7 +94,7 @@ static unsigned short type_trans(struct sk_buff *skb, struct net_device *dev)
int hdr_size = ARC_HDR_SIZE + RFC1051_HDR_SIZE;
/* Pull off the arcnet header. */
skb->mac.raw = skb->data;
skb_reset_mac_header(skb);
skb_pull(skb, hdr_size);
if (pkt->hard.dest == 0)

2
drivers/net/arcnet/rfc1201.c
View File

@ -96,7 +96,7 @@ static unsigned short type_trans(struct sk_buff *skb, struct net_device *dev)
int hdr_size = ARC_HDR_SIZE + RFC1201_HDR_SIZE;
/* Pull off the arcnet header. */
skb->mac.raw = skb->data;
skb_reset_mac_header(skb);
skb_pull(skb, hdr_size);
if (pkt->hard.dest == 0)