ixgbe: Only DMA sync frame length

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On some platforms, syncing a buffer for DMA is expensive. Rather than
sync the whole 2K receive buffer, only synchronise the length of the
frame, which will typically be the MTU, or a much smaller TCP ACK.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

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Alexander Duyck 2017-01-17 08:35:44 -08:00 • committed by Jeff Kirsher

parent af43da0dba

commit f215af8cae

1 changed files with 5 additions and 5 deletions

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drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

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