[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/shaper.c b/drivers/net/shaper.c
index 315feba..228f650 100644
--- a/drivers/net/shaper.c
+++ b/drivers/net/shaper.c
@@ -331,15 +331,16 @@
*/
static int shaper_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 shaper *sh=dev->priv;
int v;
if(sh_debug)
printk("Shaper header\n");
- skb->dev=sh->dev;
- v=sh->hard_header(skb,sh->dev,type,daddr,saddr,len);
- skb->dev=dev;
+ skb->dev = sh->dev;
+ v = dev_hard_header(skb, sh->dev, type, daddr, saddr, len);
+ skb->dev = dev;
return v;
}
@@ -351,7 +352,7 @@
if(sh_debug)
printk("Shaper rebuild header\n");
skb->dev=sh->dev;
- v=sh->rebuild_header(skb);
+ v = sh->dev->header_ops->rebuild(skb);
skb->dev=dev;
return v;
}
@@ -415,51 +416,17 @@
#endif
+static const struct header_ops shaper_ops = {
+ .create = shaper_header,
+ .rebuild = shaper_rebuild_header,
+};
+
static int shaper_attach(struct net_device *shdev, struct shaper *sh, struct net_device *dev)
{
sh->dev = dev;
- sh->hard_start_xmit=dev->hard_start_xmit;
sh->get_stats=dev->get_stats;
- if(dev->hard_header)
- {
- sh->hard_header=dev->hard_header;
- shdev->hard_header = shaper_header;
- }
- else
- shdev->hard_header = NULL;
- if(dev->rebuild_header)
- {
- sh->rebuild_header = dev->rebuild_header;
- shdev->rebuild_header = shaper_rebuild_header;
- }
- else
- shdev->rebuild_header = NULL;
-
-#if 0
- if(dev->hard_header_cache)
- {
- sh->hard_header_cache = dev->hard_header_cache;
- shdev->hard_header_cache= shaper_cache;
- }
- else
- {
- shdev->hard_header_cache= NULL;
- }
-
- if(dev->header_cache_update)
- {
- sh->header_cache_update = dev->header_cache_update;
- shdev->header_cache_update = shaper_cache_update;
- }
- else
- shdev->header_cache_update= NULL;
-#else
- shdev->header_cache_update = NULL;
- shdev->hard_header_cache = NULL;
-#endif
shdev->neigh_setup = shaper_neigh_setup_dev;
-
shdev->hard_header_len=dev->hard_header_len;
shdev->type=dev->type;
shdev->addr_len=dev->addr_len;
@@ -542,12 +509,6 @@
* Handlers for when we attach to a device.
*/
- dev->hard_header = shaper_header;
- dev->rebuild_header = shaper_rebuild_header;
-#if 0
- dev->hard_header_cache = shaper_cache;
- dev->header_cache_update= shaper_cache_update;
-#endif
dev->neigh_setup = shaper_neigh_setup_dev;
dev->do_ioctl = shaper_ioctl;
dev->hard_header_len = 0;