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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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4
drivers/s390/net/netiucv.c
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@@ -635,7 +635,7 @@ static void netiucv_unpack_skb(struct iucv_connection *conn,
return;
}
skb_put(pskb, header->next);
pskb->mac.raw = pskb->data;
skb_reset_mac_header(pskb);
skb = dev_alloc_skb(pskb->len);
if (!skb) {
PRINT_WARN("%s Out of memory in netiucv_unpack_skb\n",
@@ -646,7 +646,7 @@ static void netiucv_unpack_skb(struct iucv_connection *conn,
return;
}
memcpy(skb_put(skb, pskb->len), pskb->data, pskb->len);
skb->mac.raw = skb->data;
skb_reset_mac_header(skb);
skb->dev = pskb->dev;
skb->protocol = pskb->protocol;
pskb->ip_summed = CHECKSUM_UNNECESSARY;