bnxt_en: rename some xdp functions

Renaming bnxt_xmit_xdp to __bnxt_xmit_xdp to get ready for XDP_REDIRECT
support and reduce confusion/namespace collision.
Signed-off-by: Andy Gospodarek <gospo@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c

@@ -2799,7 +2799,7 @@ static int bnxt_run_loopback(struct bnxt *bp)
 		dev_kfree_skb(skb);
 		return -EIO;
 	}
-	bnxt_xmit_xdp(bp, txr, map, pkt_size, 0);
+	__bnxt_xmit_xdp(bp, txr, map, pkt_size, 0);
 
 	/* Sync BD data before updating doorbell */
 	wmb();

drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c

@@ -19,7 +19,7 @@
 #include "bnxt.h"
 #include "bnxt_xdp.h"
 
-void bnxt_xmit_xdp(struct bnxt *bp, struct bnxt_tx_ring_info *txr,
+void __bnxt_xmit_xdp(struct bnxt *bp, struct bnxt_tx_ring_info *txr,
 		     dma_addr_t mapping, u32 len, u16 rx_prod)
 {
 	struct bnxt_sw_tx_bd *tx_buf;
@@ -132,7 +132,7 @@ bool bnxt_rx_xdp(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, u16 cons,
 		*event = BNXT_TX_EVENT;
 		dma_sync_single_for_device(&pdev->dev, mapping + offset, *len,
 					   bp->rx_dir);
-		bnxt_xmit_xdp(bp, txr, mapping + offset, *len,
+		__bnxt_xmit_xdp(bp, txr, mapping + offset, *len,
 				NEXT_RX(rxr->rx_prod));
 		bnxt_reuse_rx_data(rxr, cons, page);
 		return true;

drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.h

@@ -10,7 +10,7 @@
 #ifndef BNXT_XDP_H
 #define BNXT_XDP_H
 
-void bnxt_xmit_xdp(struct bnxt *bp, struct bnxt_tx_ring_info *txr,
+void __bnxt_xmit_xdp(struct bnxt *bp, struct bnxt_tx_ring_info *txr,
 		     dma_addr_t mapping, u32 len, u16 rx_prod);
 void bnxt_tx_int_xdp(struct bnxt *bp, struct bnxt_napi *bnapi, int nr_pkts);
 bool bnxt_rx_xdp(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, u16 cons,