[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/fc.c b/net/802/fc.c
index 675d9ba..cb3475e 100644
--- a/net/802/fc.c
+++ b/net/802/fc.c
@@ -35,7 +35,7 @@
static int fc_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 fch_hdr *fch;
int hdr_len;
@@ -95,11 +95,14 @@
#endif
}
+static const struct header_ops fc_header_ops = {
+ .create = fc_header,
+ .rebuild = fc_rebuild_header,
+};
+
static void fc_setup(struct net_device *dev)
{
- dev->hard_header = fc_header;
- dev->rebuild_header = fc_rebuild_header;
-
+ dev->header_ops = &fc_header_ops;
dev->type = ARPHRD_IEEE802;
dev->hard_header_len = FC_HLEN;
dev->mtu = 2024;