enic: convert to SKB paged frag API.

Signed-off-by: NIan Campbell <ian.campbell@citrix.com>
Cc: Christian Benvenuti <benve@cisco.com>
Cc: Vasanthy Kolluri <vkolluri@cisco.com>
Cc: Roopa Prabhu <roprabhu@cisco.com>
Cc: David Wang <dwang2@cisco.com>
Cc: netdev@vger.kernel.org
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/cisco/enic/enic_main.c

@@ -591,9 +591,9 @@ static inline void enic_queue_wq_skb_cont(struct enic *enic,
 	for (frag = skb_shinfo(skb)->frags; len_left; frag++) {
 		len_left -= frag->size;
 		enic_queue_wq_desc_cont(wq, skb,
-			pci_map_page(enic->pdev, frag->page,
-				frag->page_offset, frag->size,
-				PCI_DMA_TODEVICE),
+			skb_frag_dma_map(&enic->pdev->dev,
+					 frag, 0, frag->size,
+					 PCI_DMA_TODEVICE),
 			frag->size,
 			(len_left == 0),	/* EOP? */
 			loopback);
@@ -705,14 +705,14 @@ static inline void enic_queue_wq_skb_tso(struct enic *enic,
 	for (frag = skb_shinfo(skb)->frags; len_left; frag++) {
 		len_left -= frag->size;
 		frag_len_left = frag->size;
-		offset = frag->page_offset;
+		offset = 0;
 
 		while (frag_len_left) {
 			len = min(frag_len_left,
 				(unsigned int)WQ_ENET_MAX_DESC_LEN);
-			dma_addr = pci_map_page(enic->pdev, frag->page,
-				offset, len,
-				PCI_DMA_TODEVICE);
+			dma_addr = skb_frag_dma_map(&enic->pdev->dev, frag,
+						    offset, len,
+						    PCI_DMA_TODEVICE);
 			enic_queue_wq_desc_cont(wq, skb,
 				dma_addr,
 				len,