ixgbe: remove ndo_xdp_flush call ixgbe_xdp_flush

Remove the ndo_xdp_flush call implementation ixgbe_xdp_flush
as no callers of ndo_xdp_flush are left.
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

@@ -10069,26 +10069,6 @@ static int ixgbe_xdp_xmit(struct net_device *dev, int n,
 	return n - drops;
 }
 
-static void ixgbe_xdp_flush(struct net_device *dev)
-{
-	struct ixgbe_adapter *adapter = netdev_priv(dev);
-	struct ixgbe_ring *ring;
-
-	/* Its possible the device went down between xdp xmit and flush so
-	 * we need to ensure device is still up.
-	 */
-	if (unlikely(test_bit(__IXGBE_DOWN, &adapter->state)))
-		return;
-
-	ring = adapter->xdp_prog ? adapter->xdp_ring[smp_processor_id()] : NULL;
-	if (unlikely(!ring))
-		return;
-
-	ixgbe_xdp_ring_update_tail(ring);
-
-	return;
-}
-
 static const struct net_device_ops ixgbe_netdev_ops = {
 	.ndo_open		= ixgbe_open,
 	.ndo_stop		= ixgbe_close,
@@ -10136,7 +10116,6 @@ static const struct net_device_ops ixgbe_netdev_ops = {
 	.ndo_features_check	= ixgbe_features_check,
 	.ndo_bpf		= ixgbe_xdp,
 	.ndo_xdp_xmit		= ixgbe_xdp_xmit,
-	.ndo_xdp_flush		= ixgbe_xdp_flush,
 };
 
 /**