e1000e: Enable DMA Burst Mode on 82574 by default.
Performance testing has shown that enabling DMA burst on 82574
improves performance on small packets, so enable it by default.
Signed-off-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c
index 609c18c..d0ea316 100644
--- a/drivers/net/ethernet/intel/e1000e/82571.c
+++ b/drivers/net/ethernet/intel/e1000e/82571.c
@@ -2062,7 +2062,8 @@
| FLAG_HAS_CTRLEXT_ON_LOAD,
.flags2 = FLAG2_CHECK_PHY_HANG
| FLAG2_DISABLE_ASPM_L0S
- | FLAG2_NO_DISABLE_RX,
+ | FLAG2_NO_DISABLE_RX
+ | FLAG2_DMA_BURST,
.pba = 32,
.max_hw_frame_size = DEFAULT_JUMBO,
.get_variants = e1000_get_variants_82571,