intel: convert to SKB paged frag API.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Cc: Bruce Allan <bruce.w.allan@intel.com>
Cc: Carolyn Wyborny <carolyn.wyborny@intel.com>
Cc: Don Skidmore <donald.c.skidmore@intel.com>
Cc: Greg Rose <gregory.v.rose@intel.com>
Cc: PJ Waskiewicz <peter.p.waskiewicz.jr@intel.com>
Cc: Alex Duyck <alexander.h.duyck@intel.com>
Cc: John Ronciak <john.ronciak@intel.com>
Cc: e1000-devel@lists.sourceforge.net
Cc: netdev@vger.kernel.org
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 4a32c15..27f586a 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -2911,9 +2911,10 @@
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 @@
/* 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;
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 4f66999..78c5d21 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -4677,7 +4677,7 @@
frag = &skb_shinfo(skb)->frags[f];
len = frag->size;
- offset = frag->page_offset;
+ offset = 0;
while (len) {
i++;
@@ -4690,9 +4690,8 @@
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;
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 8016084..3cb1bc9 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -4174,10 +4174,7 @@
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;
diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c
index a6bdb3c..b3d760b 100644
--- a/drivers/net/ethernet/intel/igbvf/netdev.c
+++ b/drivers/net/ethernet/intel/igbvf/netdev.c
@@ -2061,10 +2061,7 @@
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;
diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_main.c b/drivers/net/ethernet/intel/ixgb/ixgb_main.c
index b8ef2c0..c8b9c90 100644
--- a/drivers/net/ethernet/intel/ixgb/ixgb_main.c
+++ b/drivers/net/ethernet/intel/ixgb/ixgb_main.c
@@ -1341,7 +1341,7 @@
frag = &skb_shinfo(skb)->frags[f];
len = frag->size;
- offset = frag->page_offset;
+ offset = 0;
while (len) {
i++;
@@ -1361,8 +1361,8 @@
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;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index a30f826..d20e804 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -6494,8 +6494,7 @@
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;
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 9896397..d72905b 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -2918,18 +2918,16 @@
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;