Merge branch 'master' of ../netdev-next/

drivers/net/ethernet/3com/3c59x.c

@@ -2179,9 +2179,10 @@ boomerang_start_xmit(struct sk_buff *skb, struct net_device *dev)
 			skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
 
 			vp->tx_ring[entry].frag[i+1].addr =
-					cpu_to_le32(pci_map_single(VORTEX_PCI(vp),
-											   (void*)page_address(frag->page) + frag->page_offset,
-											   frag->size, PCI_DMA_TODEVICE));
+					cpu_to_le32(pci_map_single(
+						VORTEX_PCI(vp),
+						(void *)skb_frag_address(frag),
+						frag->size, PCI_DMA_TODEVICE));
 
 			if (i == skb_shinfo(skb)->nr_frags-1)
 					vp->tx_ring[entry].frag[i+1].length = cpu_to_le32(frag->size|LAST_FRAG);

drivers/net/ethernet/aeroflex/greth.c

@@ -113,9 +113,8 @@ static void greth_print_tx_packet(struct sk_buff *skb)
 	for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
 
 		print_hex_dump(KERN_DEBUG, "TX: ", DUMP_PREFIX_OFFSET, 16, 1,
-			       phys_to_virt(page_to_phys(skb_shinfo(skb)->frags[i].page)) +
-			       skb_shinfo(skb)->frags[i].page_offset,
-			       length, true);
+			       skb_frag_address(&skb_shinfo(skb)->frags[i]),
+			       skb_shinfo(skb)->frags[i].size, true);
 	}
 }
 
@@ -528,11 +527,8 @@ greth_start_xmit_gbit(struct sk_buff *skb, struct net_device *dev)
 
 		greth_write_bd(&bdp->stat, status);
 
-		dma_addr = dma_map_page(greth->dev,
-					frag->page,
-					frag->page_offset,
-					frag->size,
-					DMA_TO_DEVICE);
+		dma_addr = skb_frag_dma_map(greth->dev, frag, 0, frag->size,
+					    DMA_TO_DEVICE);
 
 		if (unlikely(dma_mapping_error(greth->dev, dma_addr)))
 			goto frag_map_error;

drivers/net/ethernet/alteon/acenic.c

@@ -2485,9 +2485,9 @@ restart:
 			info = ap->skb->tx_skbuff + idx;
 			desc = ap->tx_ring + idx;
 
-			mapping = pci_map_page(ap->pdev, frag->page,
-					       frag->page_offset, frag->size,
-					       PCI_DMA_TODEVICE);
+			mapping = skb_frag_dma_map(&ap->pdev->dev, frag, 0,
+						   frag->size,
+						   PCI_DMA_TODEVICE);
 
 			flagsize = (frag->size << 16);
 			if (skb->ip_summed == CHECKSUM_PARTIAL)

drivers/net/ethernet/atheros/atl1c/atl1c_main.c

@@ -2180,11 +2180,10 @@ static void atl1c_tx_map(struct atl1c_adapter *adapter,
 
 		buffer_info = atl1c_get_tx_buffer(adapter, use_tpd);
 		buffer_info->length = frag->size;
-		buffer_info->dma =
-			pci_map_page(adapter->pdev, frag->page,
-					frag->page_offset,
-					buffer_info->length,
-					PCI_DMA_TODEVICE);
+		buffer_info->dma = skb_frag_dma_map(&adapter->pdev->dev,
+						    frag, 0,
+						    buffer_info->length,
+						    PCI_DMA_TODEVICE);
 		ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY);
 		ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_PAGE,
 			ATL1C_PCIMAP_TODEVICE);

drivers/net/ethernet/atheros/atl1e/atl1e_main.c

@@ -1765,12 +1765,11 @@ static void atl1e_tx_map(struct atl1e_adapter *adapter,
 				MAX_TX_BUF_LEN : buf_len;
 			buf_len -= tx_buffer->length;
 
-			tx_buffer->dma =
-				pci_map_page(adapter->pdev, frag->page,
-						frag->page_offset +
-						(i * MAX_TX_BUF_LEN),
-						tx_buffer->length,
-						PCI_DMA_TODEVICE);
+			tx_buffer->dma = skb_frag_dma_map(&adapter->pdev->dev,
+							  frag,
+							  (i * MAX_TX_BUF_LEN),
+							  tx_buffer->length,
+							  PCI_DMA_TODEVICE);
 			ATL1E_SET_PCIMAP_TYPE(tx_buffer, ATL1E_TX_PCIMAP_PAGE);
 			use_tpd->buffer_addr = cpu_to_le64(tx_buffer->dma);
 			use_tpd->word2 = (use_tpd->word2 & (~TPD_BUFLEN_MASK)) |

drivers/net/ethernet/atheros/atlx/atl1.c

@@ -2283,9 +2283,8 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
 			buffer_info->length = (buf_len > ATL1_MAX_TX_BUF_LEN) ?
 				ATL1_MAX_TX_BUF_LEN : buf_len;
 			buf_len -= buffer_info->length;
-			buffer_info->dma = pci_map_page(adapter->pdev,
-				frag->page,
-				frag->page_offset + (i * ATL1_MAX_TX_BUF_LEN),
+			buffer_info->dma = skb_frag_dma_map(&adapter->pdev->dev,
+				frag, i * ATL1_MAX_TX_BUF_LEN,
 				buffer_info->length, PCI_DMA_TODEVICE);
 
 			if (++next_to_use == tpd_ring->count)

drivers/net/ethernet/brocade/bna/bnad.c

@@ -2753,8 +2753,8 @@ bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev)
 
 		BUG_ON(!(size <= BFI_TX_MAX_DATA_PER_VECTOR));
 		txqent->vector[vect_id].length = htons(size);
-		dma_addr = dma_map_page(&bnad->pcidev->dev, frag->page,
-					frag->page_offset, size, DMA_TO_DEVICE);
+		dma_addr = skb_frag_dma_map(&bnad->pcidev->dev, frag,
+					    0, size, DMA_TO_DEVICE);
 		dma_unmap_addr_set(&unmap_q->unmap_array[unmap_prod], dma_addr,
 				   dma_addr);
 		BNA_SET_DMA_ADDR(dma_addr, &txqent->vector[vect_id].host_addr);

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,

drivers/net/ethernet/emulex/benet/be_main.c

@@ -638,8 +638,8 @@ static int make_tx_wrbs(struct be_adapter *adapter, struct be_queue_info *txq,
 	for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
 		struct skb_frag_struct *frag =
 			&skb_shinfo(skb)->frags[i];
-		busaddr = dma_map_page(dev, frag->page, frag->page_offset,
-				       frag->size, DMA_TO_DEVICE);
+		busaddr = skb_frag_dma_map(dev, frag, 0,
+					   frag->size, DMA_TO_DEVICE);
 		if (dma_mapping_error(dev, busaddr))
 			goto dma_err;
 		wrb = queue_head_node(txq);
@@ -1066,7 +1066,7 @@ static void skb_fill_rx_data(struct be_adapter *adapter, struct be_rx_obj *rxo,
 		skb->tail += curr_frag_len;
 	} else {
 		skb_shinfo(skb)->nr_frags = 1;
-		skb_shinfo(skb)->frags[0].page = page_info->page;
+		skb_frag_set_page(skb, 0, page_info->page);
 		skb_shinfo(skb)->frags[0].page_offset =
 					page_info->page_offset + hdr_len;
 		skb_shinfo(skb)->frags[0].size = curr_frag_len - hdr_len;
@@ -1091,7 +1091,7 @@ static void skb_fill_rx_data(struct be_adapter *adapter, struct be_rx_obj *rxo,
 		if (page_info->page_offset == 0) {
 			/* Fresh page */
 			j++;
-			skb_shinfo(skb)->frags[j].page = page_info->page;
+			skb_frag_set_page(skb, j, page_info->page);
 			skb_shinfo(skb)->frags[j].page_offset =
 							page_info->page_offset;
 			skb_shinfo(skb)->frags[j].size = 0;
@@ -1173,7 +1173,7 @@ static void be_rx_compl_process_gro(struct be_adapter *adapter,
 		if (i == 0 || page_info->page_offset == 0) {
 			/* First frag or Fresh page */
 			j++;
-			skb_shinfo(skb)->frags[j].page = page_info->page;
+			skb_frag_set_page(skb, j, page_info->page);
 			skb_shinfo(skb)->frags[j].page_offset =
 							page_info->page_offset;
 			skb_shinfo(skb)->frags[j].size = 0;

drivers/net/ethernet/freescale/gianfar.c

@@ -2140,11 +2140,11 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 			if (i == nr_frags - 1)
 				lstatus |= BD_LFLAG(TXBD_LAST | TXBD_INTERRUPT);
 
-			bufaddr = dma_map_page(&priv->ofdev->dev,
-					skb_shinfo(skb)->frags[i].page,
-					skb_shinfo(skb)->frags[i].page_offset,
-					length,
-					DMA_TO_DEVICE);
+			bufaddr = skb_frag_dma_map(&priv->ofdev->dev,
+						   &skb_shinfo(skb)->frags[i],
+						   0,
+						   length,
+						   DMA_TO_DEVICE);
 
 			/* set the TxBD length and buffer pointer */
 			txbdp->bufPtr = bufaddr;

drivers/net/ethernet/intel/e1000/e1000_main.c

@@ -2911,9 +2911,10 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
 
 		frag = &skb_shinfo(skb)->frags[f];
 		len = frag->size;
-		offset = frag->page_offset;
+		offset = 0;
 
 		while (len) {
+			unsigned long bufend;
 			i++;
 			if (unlikely(i == tx_ring->count))
 				i = 0;
@@ -2927,18 +2928,19 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
 			/* Workaround for potential 82544 hang in PCI-X.
 			 * Avoid terminating buffers within evenly-aligned
 			 * dwords. */
+			bufend = (unsigned long)
+				page_to_phys(skb_frag_page(frag));
+			bufend += offset + size - 1;
 			if (unlikely(adapter->pcix_82544 &&
-			    !((unsigned long)(page_to_phys(frag->page) + offset
-			                      + size - 1) & 4) &&
-			    size > 4))
+				     !(bufend & 4) &&
+				     size > 4))
 				size -= 4;
 
 			buffer_info->length = size;
 			buffer_info->time_stamp = jiffies;
 			buffer_info->mapped_as_page = true;
-			buffer_info->dma = dma_map_page(&pdev->dev, frag->page,
-							offset,	size,
-							DMA_TO_DEVICE);
+			buffer_info->dma = skb_frag_dma_map(&pdev->dev, frag,
+						offset, size, DMA_TO_DEVICE);
 			if (dma_mapping_error(&pdev->dev, buffer_info->dma))
 				goto dma_error;
 			buffer_info->next_to_watch = i;

drivers/net/ethernet/intel/e1000e/netdev.c

@@ -4677,7 +4677,7 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
 
 		frag = &skb_shinfo(skb)->frags[f];
 		len = frag->size;
-		offset = frag->page_offset;
+		offset = 0;
 
 		while (len) {
 			i++;
@@ -4690,9 +4690,8 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
 			buffer_info->length = size;
 			buffer_info->time_stamp = jiffies;
 			buffer_info->next_to_watch = i;
-			buffer_info->dma = dma_map_page(&pdev->dev, frag->page,
-							offset, size,
-							DMA_TO_DEVICE);
+			buffer_info->dma = skb_frag_dma_map(&pdev->dev, frag,
+						offset, size, DMA_TO_DEVICE);
 			buffer_info->mapped_as_page = true;
 			if (dma_mapping_error(&pdev->dev, buffer_info->dma))
 				goto dma_error;

drivers/net/ethernet/intel/igb/igb_main.c

@@ -4174,10 +4174,7 @@ static inline int igb_tx_map_adv(struct igb_ring *tx_ring, struct sk_buff *skb,
 		buffer_info->time_stamp = jiffies;
 		buffer_info->next_to_watch = i;
 		buffer_info->mapped_as_page = true;
-		buffer_info->dma = dma_map_page(dev,
-						frag->page,
-						frag->page_offset,
-						len,
+		buffer_info->dma = skb_frag_dma_map(dev, frag, 0, len,
 						DMA_TO_DEVICE);
 		if (dma_mapping_error(dev, buffer_info->dma))
 			goto dma_error;

drivers/net/ethernet/intel/igbvf/netdev.c

@@ -2061,10 +2061,7 @@ static inline int igbvf_tx_map_adv(struct igbvf_adapter *adapter,
 		buffer_info->time_stamp = jiffies;
 		buffer_info->next_to_watch = i;
 		buffer_info->mapped_as_page = true;
-		buffer_info->dma = dma_map_page(&pdev->dev,
-						frag->page,
-						frag->page_offset,
-						len,
+		buffer_info->dma = skb_frag_dma_map(&pdev->dev, frag, 0, len,
 						DMA_TO_DEVICE);
 		if (dma_mapping_error(&pdev->dev, buffer_info->dma))
 			goto dma_error;

drivers/net/ethernet/intel/ixgb/ixgb_main.c

@@ -1341,7 +1341,7 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb,
 
 		frag = &skb_shinfo(skb)->frags[f];
 		len = frag->size;
-		offset = frag->page_offset;
+		offset = 0;
 
 		while (len) {
 			i++;
@@ -1361,8 +1361,8 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb,
 			buffer_info->time_stamp = jiffies;
 			buffer_info->mapped_as_page = true;
 			buffer_info->dma =
-				dma_map_page(&pdev->dev, frag->page,
-					     offset, size, DMA_TO_DEVICE);
+				skb_frag_dma_map(&pdev->dev, frag, offset, size,
+						 DMA_TO_DEVICE);
 			if (dma_mapping_error(&pdev->dev, buffer_info->dma))
 				goto dma_error;
 			buffer_info->next_to_watch = 0;

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

@@ -6494,8 +6494,7 @@ static void ixgbe_tx_map(struct ixgbe_ring *tx_ring,
 		offset = 0;
 		tx_flags |= IXGBE_TX_FLAGS_MAPPED_AS_PAGE;
 
-		dma = dma_map_page(dev, frag->page, frag->page_offset,
-				   size, DMA_TO_DEVICE);
+		dma = skb_frag_dma_map(dev, frag, 0, size, DMA_TO_DEVICE);
 		if (dma_mapping_error(dev, dma))
 			goto dma_error;
 

drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c

@@ -2918,18 +2918,16 @@ static int ixgbevf_tx_map(struct ixgbevf_adapter *adapter,
 
 		frag = &skb_shinfo(skb)->frags[f];
 		len = min((unsigned int)frag->size, total);
-		offset = frag->page_offset;
+		offset = 0;
 
 		while (len) {
 			tx_buffer_info = &tx_ring->tx_buffer_info[i];
 			size = min(len, (unsigned int)IXGBE_MAX_DATA_PER_TXD);
 
 			tx_buffer_info->length = size;
-			tx_buffer_info->dma = dma_map_page(&adapter->pdev->dev,
-							   frag->page,
-							   offset,
-							   size,
-							   DMA_TO_DEVICE);
+			tx_buffer_info->dma =
+				skb_frag_dma_map(&adapter->pdev->dev, frag,
+						 offset, size, DMA_TO_DEVICE);
 			tx_buffer_info->mapped_as_page = true;
 			if (dma_mapping_error(&pdev->dev, tx_buffer_info->dma))
 				goto dma_error;

drivers/net/ethernet/nvidia/forcedeth.c

@@ -2146,8 +2146,11 @@ static netdev_tx_t nv_start_xmit(struct sk_buff *skb, struct net_device *dev)
 			prev_tx = put_tx;
 			prev_tx_ctx = np->put_tx_ctx;
 			bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size;
-			np->put_tx_ctx->dma = pci_map_page(np->pci_dev, frag->page, frag->page_offset+offset, bcnt,
-							   PCI_DMA_TODEVICE);
+			np->put_tx_ctx->dma = skb_frag_dma_map(
+							&np->pci_dev->dev,
+							frag, offset,
+							bcnt,
+							PCI_DMA_TODEVICE);
 			np->put_tx_ctx->dma_len = bcnt;
 			np->put_tx_ctx->dma_single = 0;
 			put_tx->buf = cpu_to_le32(np->put_tx_ctx->dma);
@@ -2257,8 +2260,11 @@ static netdev_tx_t nv_start_xmit_optimized(struct sk_buff *skb,
 			prev_tx = put_tx;
 			prev_tx_ctx = np->put_tx_ctx;
 			bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size;
-			np->put_tx_ctx->dma = pci_map_page(np->pci_dev, frag->page, frag->page_offset+offset, bcnt,
-							   PCI_DMA_TODEVICE);
+			np->put_tx_ctx->dma = skb_frag_dma_map(
+							&np->pci_dev->dev,
+							frag, offset,
+							bcnt,
+							PCI_DMA_TODEVICE);
 			np->put_tx_ctx->dma_len = bcnt;
 			np->put_tx_ctx->dma_single = 0;
 			put_tx->bufhigh = cpu_to_le32(dma_high(np->put_tx_ctx->dma));

drivers/net/ethernet/realtek/8139cp.c

@@ -784,8 +784,7 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
 
 			len = this_frag->size;
 			mapping = dma_map_single(&cp->pdev->dev,
-						 ((void *) page_address(this_frag->page) +
-						  this_frag->page_offset),
+						 skb_frag_address(this_frag),
 						 len, PCI_DMA_TODEVICE);
 			eor = (entry == (CP_TX_RING_SIZE - 1)) ? RingEnd : 0;
 

drivers/net/ethernet/sun/cassini.c

@@ -2048,8 +2048,8 @@ static int cas_rx_process_pkt(struct cas *cp, struct cas_rx_comp *rxc,
 		skb->truesize += hlen - swivel;
 		skb->len      += hlen - swivel;
 
-		get_page(page->buffer);
-		frag->page = page->buffer;
+		__skb_frag_set_page(frag, page->buffer);
+		__skb_frag_ref(frag);
 		frag->page_offset = off;
 		frag->size = hlen - swivel;
 
@@ -2072,8 +2072,8 @@ static int cas_rx_process_pkt(struct cas *cp, struct cas_rx_comp *rxc,
 			skb->len      += hlen;
 			frag++;
 
-			get_page(page->buffer);
-			frag->page = page->buffer;
+			__skb_frag_set_page(frag, page->buffer);
+			__skb_frag_ref(frag);
 			frag->page_offset = 0;
 			frag->size = hlen;
 			RX_USED_ADD(page, hlen + cp->crc_size);
@@ -2830,9 +2830,8 @@ static inline int cas_xmit_tx_ringN(struct cas *cp, int ring,
 		skb_frag_t *fragp = &skb_shinfo(skb)->frags[frag];
 
 		len = fragp->size;
-		mapping = pci_map_page(cp->pdev, fragp->page,
-				       fragp->page_offset, len,
-				       PCI_DMA_TODEVICE);
+		mapping = skb_frag_dma_map(&cp->pdev->dev, fragp, 0, len,
+					   PCI_DMA_TODEVICE);
 
 		tabort = cas_calc_tabort(cp, fragp->page_offset, len);
 		if (unlikely(tabort)) {
@@ -2843,7 +2842,7 @@ static inline int cas_xmit_tx_ringN(struct cas *cp, int ring,
 				      ctrl, 0);
 			entry = TX_DESC_NEXT(ring, entry);
 
-			addr = cas_page_map(fragp->page);
+			addr = cas_page_map(skb_frag_page(fragp));
 			memcpy(tx_tiny_buf(cp, ring, entry),
 			       addr + fragp->page_offset + len - tabort,
 			       tabort);