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authorIan Campbell <Ian.Campbell@citrix.com>2011-08-29 23:18:26 +0000
committerDavid S. Miller <davem@davemloft.net>2011-08-30 17:58:01 -0400
commit877749bf3f2f7a517ae74cd2c2fa4eed7aa9b51d (patch)
tree31ae3231c7a81515b82bd8e60397a05cdf61709b /drivers/net/ethernet/intel
parent18324d690d6a5028e3c174fc1921447aedead2b8 (diff)
downloadlinux-linaro-stable-877749bf3f2f7a517ae74cd2c2fa4eed7aa9b51d.tar.gz
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>
Diffstat (limited to 'drivers/net/ethernet/intel')
-rw-r--r--drivers/net/ethernet/intel/e1000/e1000_main.c16
-rw-r--r--drivers/net/ethernet/intel/e1000e/netdev.c7
-rw-r--r--drivers/net/ethernet/intel/igb/igb_main.c5
-rw-r--r--drivers/net/ethernet/intel/igbvf/netdev.c5
-rw-r--r--drivers/net/ethernet/intel/ixgb/ixgb_main.c6
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_main.c3
-rw-r--r--drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c10
7 files changed, 22 insertions, 30 deletions
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 4a32c15524c9..27f586afcc34 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/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;
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 4f669995623f..78c5d21fa34b 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/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;
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 801608497409..3cb1bc96bf70 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/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;
diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c
index a6bdb3c744f0..b3d760b08a5f 100644
--- a/drivers/net/ethernet/intel/igbvf/netdev.c
+++ b/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;
diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_main.c b/drivers/net/ethernet/intel/ixgb/ixgb_main.c
index b8ef2c0fc5d0..c8b9c9028bc0 100644
--- a/drivers/net/ethernet/intel/ixgb/ixgb_main.c
+++ b/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;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index a30f8266df00..d20e8040d855 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/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;
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 98963970206e..d72905b77aba 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/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;