i40e/i40evf: Limit DMA sync of RX buffers to actual packet size

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On packet RX, we perform a DMA sync for CPU before passing the
packet up.  Here we limit that sync to the actual length of the
incoming packet, rather than always syncing the entire buffer.

Change-ID: I626aaf6c37275a8ce9e81efcaa773f327b331487
Signed-off-by: Scott Peterson <scott.d.peterson@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

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Scott Peterson 2017-02-09 23:37:28 -08:00 • committed by Jeff Kirsher

parent e5f77f4a2f

commit 7987dcd7b9

2 changed files with 18 additions and 14 deletions

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16

drivers/net/ethernet/intel/i40e/i40e_txrx.c

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16

drivers/net/ethernet/intel/i40evf/i40e_txrx.c

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