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[SK_BUFF]: Introduce skb_reset_mac_header(skb)

Browse source 
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 <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Arnaldo Carvalho de Melo 2007-03-19 15:30:44 -07:00 • committed by David S. Miller
commit 459a98ed88
85 changed files with 119 additions and 109 deletions
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4
drivers/isdn/i4l/isdn_net.c
View file

@ -1366,7 +1366,7 @@ isdn_net_type_trans(struct sk_buff *skb, struct net_device *dev)
struct ethhdr *eth;
unsigned char *rawp;
skb->mac.raw = skb->data;
skb_reset_mac_header(skb);
skb_pull(skb, ETH_HLEN);
eth = eth_hdr(skb);
@ -1786,7 +1786,7 @@ isdn_net_receive(struct net_device *ndev, struct sk_buff *skb)
}
skb->dev = ndev;
skb->pkt_type = PACKET_HOST;
skb->mac.raw = skb->data;
skb_reset_mac_header(skb);
#ifdef ISDN_DEBUG_NET_DUMP
isdn_dumppkt("R:", skb->data, skb->len, 40);
#endif

2
drivers/isdn/i4l/isdn_ppp.c
View file

@ -1167,7 +1167,7 @@ isdn_ppp_push_higher(isdn_net_dev * net_dev, isdn_net_local * lp, struct sk_buff
mlp->huptimer = 0;
#endif /* CONFIG_IPPP_FILTER */
skb->dev = dev;
skb->mac.raw = skb->data;
skb_reset_mac_header(skb);
netif_rx(skb);
/* net_dev->local->stats.rx_packets++; done in isdn_net.c */
return;