[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/wireless/strip.c b/drivers/net/wireless/strip.c
index 404cd15..4bd14b3 100644
--- a/drivers/net/wireless/strip.c
+++ b/drivers/net/wireless/strip.c
@@ -1631,8 +1631,8 @@
*/
static int strip_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 strip *strip_info = netdev_priv(dev);
STRIP_Header *header = (STRIP_Header *) skb_push(skb, sizeof(STRIP_Header));
@@ -2497,6 +2497,11 @@
return 0;
}
+static const struct header_ops strip_header_ops = {
+ .create = strip_header,
+ .rebuild = strip_rebuild_header,
+};
+
/*
* This routine is called by DDI when the
* (dynamically assigned) device is registered
@@ -2531,8 +2536,8 @@
dev->open = strip_open_low;
dev->stop = strip_close_low;
dev->hard_start_xmit = strip_xmit;
- dev->hard_header = strip_header;
- dev->rebuild_header = strip_rebuild_header;
+ dev->header_ops = &strip_header_ops;
+
dev->set_mac_address = strip_set_mac_address;
dev->get_stats = strip_get_stats;
dev->change_mtu = strip_change_mtu;