[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, 3 insertions, 3 deletions

diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 7ea5a502ca08..b761dbed8cec 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -354,7 +354,7 @@ static int ndisc_constructor(struct neighbour *neigh)
         rcu_read_unlock();
 
         neigh->type = is_multicast ? RTN_MULTICAST : RTN_UNICAST;
-        if (dev->hard_header == NULL) {
+        if (!dev->header_ops) {
                 neigh->nud_state = NUD_NOARP;
                 neigh->ops = &ndisc_direct_ops;
                 neigh->output = neigh->ops->queue_xmit;
@@ -371,7 +371,7 @@ static int ndisc_constructor(struct neighbour *neigh)
                         neigh->nud_state = NUD_NOARP;
                         memcpy(neigh->ha, dev->broadcast, dev->addr_len);
                 }
-                if (dev->hard_header_cache)
+                if (dev->header_ops->cache)
                         neigh->ops = &ndisc_hh_ops;
                 else
                         neigh->ops = &ndisc_generic_ops;
@@ -807,7 +807,7 @@ static void ndisc_recv_ns(struct sk_buff *skb)
                 neigh_update(neigh, lladdr, NUD_STALE,
                              NEIGH_UPDATE_F_WEAK_OVERRIDE|
                              NEIGH_UPDATE_F_OVERRIDE);
-        if (neigh || !dev->hard_header) {
+        if (neigh || !dev->header_ops) {
                 ndisc_send_na(dev, neigh, saddr, &msg->target,
                               is_router,
                               1, (ifp != NULL && inc), inc);