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[NET]: Move hardware header operations out of netdevice.

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Since hardware header operations are part of the protocol class
not the device instance, make them into a separate object and
save memory.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2007-10-09 01:40:57 -07:00 • committed by David S. Miller
parent b95cce3576
commit 3b04ddde02
65 changed files with 479 additions and 473 deletions
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15
net/ax25/ax25_ip.c
View file

@ -46,7 +46,9 @@
#ifdef CONFIG_INET
int ax25_hard_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, void *daddr, void *saddr, unsigned len)
int ax25_hard_header(struct sk_buff *skb, struct net_device *dev,
unsigned short type, const void *daddr,
const void *saddr, unsigned len)
{
unsigned char *buff;
@ -215,7 +217,9 @@ put:
#else /* INET */
int ax25_hard_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, void *daddr, void *saddr, unsigned len)
int ax25_hard_header(struct sk_buff *skb, struct net_device *dev,
unsigned short type, const void *daddr,
const void *saddr, unsigned len)
{
return -AX25_HEADER_LEN;
}
@ -227,5 +231,12 @@ int ax25_rebuild_header(struct sk_buff *skb)
#endif
const struct header_ops ax25_header_ops = {
.create = ax25_hard_header,
.rebuild = ax25_rebuild_header,
};
EXPORT_SYMBOL(ax25_hard_header);
EXPORT_SYMBOL(ax25_rebuild_header);
EXPORT_SYMBOL(ax25_header_ops);