[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>

1 files changed, 7 insertions, 3 deletions

diff --git a/net/802/fddi.c b/net/802/fddi.c
index 91dde41b5481..0549317b9356 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 @@ static int fddi_change_mtu(struct net_device *dev, int new_mtu)
         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 */