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authorMatthew Vick <matthew.vick@intel.com>2012-03-16 13:02:59 +0400
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2012-04-27 13:19:35 +0400
commit2cb7a9cc008c25dc03314de563c00c107b3e5432 (patch)
treed0bf849a9f5470f868a1449f9e9c4447967e072a /drivers/net/ethernet/intel/e1000e
parent1c1093a44fd7f994df981c1c4e79e89d33cdedc5 (diff)
downloadlinux-2cb7a9cc008c25dc03314de563c00c107b3e5432.tar.xz
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>
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e')
-rw-r--r--drivers/net/ethernet/intel/e1000e/82571.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c
index 609c18cb300a..d0ea316731fc 100644
--- a/drivers/net/ethernet/intel/e1000e/82571.c
+++ b/drivers/net/ethernet/intel/e1000e/82571.c
@@ -2062,7 +2062,8 @@ const struct e1000_info e1000_82574_info = {
| 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,