ixgbe: Add function for testing status bits in Rx descriptor
This change adds a small function for testing Rx status bits in the
descriptor. The advantage to this is that we can avoid unnecessary
byte swaps on big endian systems.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
index fca0553..260e176 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
@@ -329,6 +329,13 @@
#define IXGBE_10K_ITR 400
#define IXGBE_8K_ITR 500
+/* ixgbe_test_staterr - tests bits in Rx descriptor status and error fields */
+static inline __le32 ixgbe_test_staterr(union ixgbe_adv_rx_desc *rx_desc,
+ const u32 stat_err_bits)
+{
+ return rx_desc->wb.upper.status_error & cpu_to_le32(stat_err_bits);
+}
+
static inline u16 ixgbe_desc_unused(struct ixgbe_ring *ring)
{
u16 ntc = ring->next_to_clean;
@@ -618,8 +625,7 @@
extern void ixgbe_cleanup_fcoe(struct ixgbe_adapter *adapter);
extern int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter,
union ixgbe_adv_rx_desc *rx_desc,
- struct sk_buff *skb,
- u32 staterr);
+ struct sk_buff *skb);
extern int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid,
struct scatterlist *sgl, unsigned int sgc);
extern int ixgbe_fcoe_ddp_target(struct net_device *netdev, u16 xid,