IB: nes: convert to SKB paged frag API.

Signed-off-by: NIan Campbell <ian.campbell@citrix.com>
Reviewed-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Faisal Latif <faisal.latif@intel.com>
Cc: Roland Dreier <roland@kernel.org>
Cc: Sean Hefty <sean.hefty@intel.com>
Cc: Hal Rosenstock <hal.rosenstock@gmail.com>
Cc: linux-rdma@vger.kernel.org
Cc: netdev@vger.kernel.org
Acked-by: NFaisal Latif <faisal.latif@intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/infiniband/hw/nes/nes_nic.c

@@ -441,11 +441,11 @@ static int nes_nic_send(struct sk_buff *skb, struct net_device *netdev)
 		nesnic->tx_skb[nesnic->sq_head] = skb;
 		for (skb_fragment_index = 0; skb_fragment_index < skb_shinfo(skb)->nr_frags;
 				skb_fragment_index++) {
-			bus_address = pci_map_page( nesdev->pcidev,
-					skb_shinfo(skb)->frags[skb_fragment_index].page,
-					skb_shinfo(skb)->frags[skb_fragment_index].page_offset,
-					skb_shinfo(skb)->frags[skb_fragment_index].size,
-					PCI_DMA_TODEVICE);
+			skb_frag_t *frag =
+				&skb_shinfo(skb)->frags[skb_fragment_index];
+			bus_address = skb_frag_dma_map(&nesdev->pcidev->dev,
+						       frag, 0, frag->size,
+						       PCI_DMA_TODEVICE);
 			wqe_fragment_length[wqe_fragment_index] =
 					cpu_to_le16(skb_shinfo(skb)->frags[skb_fragment_index].size);
 			set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG0_LOW_IDX+(2*wqe_fragment_index),
@@ -561,11 +561,12 @@ static int nes_netdev_start_xmit(struct sk_buff *skb, struct net_device *netdev)
 			/* Map all the buffers */
 			for (tso_frag_count=0; tso_frag_count < skb_shinfo(skb)->nr_frags;
 					tso_frag_count++) {
-				tso_bus_address[tso_frag_count] = pci_map_page( nesdev->pcidev,
-						skb_shinfo(skb)->frags[tso_frag_count].page,
-						skb_shinfo(skb)->frags[tso_frag_count].page_offset,
-						skb_shinfo(skb)->frags[tso_frag_count].size,
-						PCI_DMA_TODEVICE);
+				skb_frag_t *frag =
+					&skb_shinfo(skb)->frags[tso_frag_count];
+				tso_bus_address[tso_frag_count] =
+					skb_frag_dma_map(&nesdev->pcidev->dev,
+							 frag, 0, frag->size,
+							 PCI_DMA_TODEVICE);
 			}
 
 			tso_frag_index = 0;