atl1c:add pci map direction in atl1c_buffer flags

add pci map direction in atl1c_buffer flags, it is used when call pci_unmap
apis.
Signed-off-by: Jie Yang <jie.yang@atheros.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/atl1c/atl1c.h b/drivers/net/atl1c/atl1c.h
index a348a22..7e09084 100644 (file)
--- a/drivers/net/atl1c/atl1c.h
+++ b/drivers/net/atl1c/atl1c.h
@@ -479,6 +479,9 @@ struct atl1c_buffer {
 #define ATL1C_PCIMAP_PAGE              0x0008
 #define ATL1C_PCIMAP_TYPE_MASK         0x000C
 
+#define ATL1C_PCIMAP_TODEVICE          0x0010
+#define ATL1C_PCIMAP_FROMDEVICE                0x0020
+#define ATL1C_PCIMAP_DIRECTION_MASK    0x0030
        dma_addr_t dma;
 };
 
@@ -487,9 +490,11 @@ struct atl1c_buffer {
        ((buff)->flags) |= (state);                     \
        } while (0)
 
-#define ATL1C_SET_PCIMAP_TYPE(buff, type) do {         \
-       ((buff)->flags) &= ~ATL1C_PCIMAP_TYPE_MASK;     \
-       ((buff)->flags) |= (type);                      \
+#define ATL1C_SET_PCIMAP_TYPE(buff, type, direction) do {      \
+       ((buff)->flags) &= ~ATL1C_PCIMAP_TYPE_MASK;             \
+       ((buff)->flags) |= (type);                              \
+       ((buff)->flags) &= ~ATL1C_PCIMAP_DIRECTION_MASK;        \
+       ((buff)->flags) |= (direction);                         \
        } while (0)
 
 /* transimit packet descriptor (tpd) ring */

diff --git a/drivers/net/atl1c/atl1c_main.c b/drivers/net/atl1c/atl1c_main.c
index 1e2f57d..1098dad 100644 (file)
--- a/drivers/net/atl1c/atl1c_main.c
+++ b/drivers/net/atl1c/atl1c_main.c
@@ -713,15 +713,21 @@ static int __devinit atl1c_sw_init(struct atl1c_adapter *adapter)
 static inline void atl1c_clean_buffer(struct pci_dev *pdev,
                                struct atl1c_buffer *buffer_info, int in_irq)
 {
+       u16 pci_driection;
        if (buffer_info->flags & ATL1C_BUFFER_FREE)
                return;
        if (buffer_info->dma) {
+               if (buffer_info->flags & ATL1C_PCIMAP_FROMDEVICE)
+                       pci_driection = PCI_DMA_FROMDEVICE;
+               else
+                       pci_driection = PCI_DMA_TODEVICE;
+
                if (buffer_info->flags & ATL1C_PCIMAP_SINGLE)
                        pci_unmap_single(pdev, buffer_info->dma,
-                                       buffer_info->length, PCI_DMA_TODEVICE);
+                                       buffer_info->length, pci_driection);
                else if (buffer_info->flags & ATL1C_PCIMAP_PAGE)
                        pci_unmap_page(pdev, buffer_info->dma,
-                                       buffer_info->length, PCI_DMA_TODEVICE);
+                                       buffer_info->length, pci_driection);
        }
        if (buffer_info->skb) {
                if (in_irq)
@@ -1606,7 +1612,8 @@ static int atl1c_alloc_rx_buffer(struct atl1c_adapter *adapter, const int ringid
                buffer_info->dma = pci_map_single(pdev, vir_addr,
                                                buffer_info->length,
                                                PCI_DMA_FROMDEVICE);
-               ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE);
+               ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE,
+                       ATL1C_PCIMAP_FROMDEVICE);
                rfd_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
                rfd_next_to_use = next_next;
                if (++next_next == rfd_ring->count)
@@ -1967,7 +1974,8 @@ static void atl1c_tx_map(struct atl1c_adapter *adapter,
                buffer_info->dma = pci_map_single(adapter->pdev,
                                        skb->data, hdr_len, PCI_DMA_TODEVICE);
                ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY);
-               ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE);
+               ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE,
+                       ATL1C_PCIMAP_TODEVICE);
                mapped_len += map_len;
                use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma);
                use_tpd->buffer_len = cpu_to_le16(buffer_info->length);
@@ -1988,7 +1996,8 @@ static void atl1c_tx_map(struct atl1c_adapter *adapter,
                        pci_map_single(adapter->pdev, skb->data + mapped_len,
                                        buffer_info->length, PCI_DMA_TODEVICE);
                ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY);
-               ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE);
+               ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE,
+                       ATL1C_PCIMAP_TODEVICE);
                use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma);
                use_tpd->buffer_len  = cpu_to_le16(buffer_info->length);
        }
@@ -2009,7 +2018,8 @@ static void atl1c_tx_map(struct atl1c_adapter *adapter,
                                        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_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_PAGE,
+                       ATL1C_PCIMAP_TODEVICE);
                use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma);
                use_tpd->buffer_len  = cpu_to_le16(buffer_info->length);
        }