[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, 8 insertions, 1 deletions

diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c
index bdd797071cb0..06800e5a0770 100644
--- a/drivers/media/dvb/dvb-core/dvb_net.c
+++ b/drivers/media/dvb/dvb-core/dvb_net.c
@@ -1225,10 +1225,17 @@ static struct net_device_stats * dvb_net_get_stats(struct net_device *dev)
         return &((struct dvb_net_priv*) dev->priv)->stats;
 }
 
+static const struct header_ops dvb_header_ops = {
+        .create         = eth_header,
+        .parse          = eth_header_parse,
+        .rebuild        = eth_rebuild_header,
+};
+
 static void dvb_net_setup(struct net_device *dev)
 {
         ether_setup(dev);
 
+        dev->header_ops         = &dvb_header_ops;
         dev->open               = dvb_net_open;
         dev->stop               = dvb_net_stop;
         dev->hard_start_xmit    = dvb_net_tx;
@@ -1237,7 +1244,7 @@ static void dvb_net_setup(struct net_device *dev)
         dev->set_mac_address    = dvb_net_set_mac;
         dev->mtu                = 4096;
         dev->mc_count           = 0;
-        dev->hard_header_cache  = NULL;
+
         dev->flags |= IFF_NOARP;
 }