[NET]: Move hardware header operations out of netdevice.
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>
diff --git a/net/802/tr.c b/net/802/tr.c
index aa3c2e9..a2bd0f2 100644
--- a/net/802/tr.c
+++ b/net/802/tr.c
@@ -100,7 +100,7 @@
static int tr_header(struct sk_buff *skb, struct net_device *dev,
unsigned short type,
- void *daddr, void *saddr, unsigned len)
+ const void *daddr, const void *saddr, unsigned len)
{
struct trh_hdr *trh;
int hdr_len;
@@ -142,7 +142,7 @@
if(daddr)
{
memcpy(trh->daddr,daddr,dev->addr_len);
- tr_source_route(skb,trh,dev);
+ tr_source_route(skb, trh, dev);
return(hdr_len);
}
@@ -247,7 +247,8 @@
* We try to do source routing...
*/
-void tr_source_route(struct sk_buff *skb,struct trh_hdr *trh,struct net_device *dev)
+void tr_source_route(struct sk_buff *skb,struct trh_hdr *trh,
+ struct net_device *dev)
{
int slack;
unsigned int hash;
@@ -592,14 +593,18 @@
#endif
+static const struct header_ops tr_header_ops = {
+ .create = tr_header,
+ .rebuild= tr_rebuild_header,
+};
+
static void tr_setup(struct net_device *dev)
{
/*
* Configure and register
*/
- dev->hard_header = tr_header;
- dev->rebuild_header = tr_rebuild_header;
+ dev->header_ops = &tr_header_ops;
dev->type = ARPHRD_IEEE802_TR;
dev->hard_header_len = TR_HLEN;