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>

1 files changed, 8 insertions, 3 deletions

diff --git a/drivers/net/atl1c/atl1c.h b/drivers/net/atl1c/atl1c.h
index a348a22551d9..7e09084f75a9 100644
--- 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 */