i40e: remove ndo_xdp_flush call i40e_xdp_flush

Remove the ndo_xdp_flush call implementation i40e_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/i40e/i40e_main.c

@@ -11883,7 +11883,6 @@ static const struct net_device_ops i40e_netdev_ops = {
 	.ndo_bridge_setlink	= i40e_ndo_bridge_setlink,
 	.ndo_bpf		= i40e_xdp,
 	.ndo_xdp_xmit		= i40e_xdp_xmit,
-	.ndo_xdp_flush		= i40e_xdp_flush,
 };
 
 /**

drivers/net/ethernet/intel/i40e/i40e_txrx.c

@@ -3707,22 +3707,3 @@ int i40e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
 
 	return n - drops;
 }
-
-/**
- * i40e_xdp_flush - Implements ndo_xdp_flush
- * @dev: netdev
- **/
-void i40e_xdp_flush(struct net_device *dev)
-{
-	struct i40e_netdev_priv *np = netdev_priv(dev);
-	unsigned int queue_index = smp_processor_id();
-	struct i40e_vsi *vsi = np->vsi;
-
-	if (test_bit(__I40E_VSI_DOWN, vsi->state))
-		return;
-
-	if (!i40e_enabled_xdp_vsi(vsi) || queue_index >= vsi->num_queue_pairs)
-		return;
-
-	i40e_xdp_ring_update_tail(vsi->xdp_rings[queue_index]);
-}

drivers/net/ethernet/intel/i40e/i40e_txrx.h

@@ -489,7 +489,6 @@ int __i40e_maybe_stop_tx(struct i40e_ring *tx_ring, int size);
 bool __i40e_chk_linearize(struct sk_buff *skb);
 int i40e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
 		  u32 flags);
-void i40e_xdp_flush(struct net_device *dev);
 
 /**
  * i40e_get_head - Retrieve head from head writeback