[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/net/packet/af_packet.c b/net/packet/af_packet.c
index c9ee343..e11000a 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -389,7 +389,7 @@
skb_reset_network_header(skb);
/* Try to align data part correctly */
- if (dev->hard_header) {
+ if (dev->header_ops) {
skb->data -= dev->hard_header_len;
skb->tail -= dev->hard_header_len;
if (len < dev->hard_header_len)
@@ -466,7 +466,7 @@
skb->dev = dev;
- if (dev->hard_header) {
+ if (dev->header_ops) {
/* The device has an explicit notion of ll header,
exported to higher levels.
@@ -581,7 +581,7 @@
sk = pt->af_packet_priv;
po = pkt_sk(sk);
- if (dev->hard_header) {
+ if (dev->header_ops) {
if (sk->sk_type != SOCK_DGRAM)
skb_push(skb, skb->data - skb_mac_header(skb));
else if (skb->pkt_type == PACKET_OUTGOING) {