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Commit 2cb7a9cc authored by Matthew Vick's avatar Matthew Vick Committed by Jeff Kirsher
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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: default avatarMatthew Vick <matthew.vick@intel.com>
Tested-by: default avatarJeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 1c1093a4

drivers/net/ethernet/intel/e1000e/82571.c

+2 −1
Original line number Diff line number Diff line
@@ -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,