[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/fddi.c b/net/802/fddi.c
index 91dde41..0549317 100644
--- a/net/802/fddi.c
+++ b/net/802/fddi.c
@@ -52,7 +52,7 @@
static int fddi_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)
{
int hl = FDDI_K_SNAP_HLEN;
struct fddihdr *fddi;
@@ -175,11 +175,15 @@
return(0);
}
+static const struct header_ops fddi_header_ops = {
+ .create = fddi_header,
+ .rebuild = fddi_rebuild_header,
+};
+
static void fddi_setup(struct net_device *dev)
{
dev->change_mtu = fddi_change_mtu;
- dev->hard_header = fddi_header;
- dev->rebuild_header = fddi_rebuild_header;
+ dev->header_ops = &fddi_header_ops;
dev->type = ARPHRD_FDDI;
dev->hard_header_len = FDDI_K_SNAP_HLEN+3; /* Assume 802.2 SNAP hdr len + 3 pad bytes */