[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/drivers/net/wan/dlci.c b/drivers/net/wan/dlci.c
index bc12810..96b2324 100644
--- a/drivers/net/wan/dlci.c
+++ b/drivers/net/wan/dlci.c
@@ -66,8 +66,8 @@
*/
static int dlci_header(struct sk_buff *skb, struct net_device *dev,
- unsigned short type, void *daddr, void *saddr,
- unsigned len)
+ unsigned short type, const void *daddr,
+ const void *saddr, unsigned len)
{
struct frhdr hdr;
struct dlci_local *dlp;
@@ -485,6 +485,10 @@
return(err);
}
+static const struct header_ops dlci_header_ops = {
+ .create = dlci_header,
+};
+
static void dlci_setup(struct net_device *dev)
{
struct dlci_local *dlp = dev->priv;
@@ -494,7 +498,7 @@
dev->stop = dlci_close;
dev->do_ioctl = dlci_dev_ioctl;
dev->hard_start_xmit = dlci_transmit;
- dev->hard_header = dlci_header;
+ dev->header_ops = &dlci_header_ops;
dev->get_stats = dlci_get_stats;
dev->change_mtu = dlci_change_mtu;
dev->destructor = free_netdev;