[Intel-wired-lan] [next PATCH S55 10/14] i40e/i40evf: Limit dma sync of RX buffers to actual packet size
Bowers, AndrewX
andrewx.bowers at intel.com
Thu Dec 1 21:50:58 UTC 2016
> -----Original Message-----
> From: Intel-wired-lan [mailto:intel-wired-lan-bounces at lists.osuosl.org] On
> Behalf Of Bimmy Pujari
> Sent: Monday, November 28, 2016 4:06 PM
> To: intel-wired-lan at lists.osuosl.org
> Subject: [Intel-wired-lan] [next PATCH S55 10/14] i40e/i40evf: Limit dma sync
> of RX buffers to actual packet size
>
> From: "Scott Peterson" <scott.d.peterson at intel.com>
>
> 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.
>
> Signed-off-by: Scott Peterson <scott.d.peterson at intel.com>
> Change-ID: I626aaf6c37275a8ce9e81efcaa773f327b331487
> ---
> Testing Hints:
> Verify traffic is still passed correctly with the same or better performance as
> before this patch
>
> drivers/net/ethernet/intel/i40e/i40e_txrx.c | 16 +++++++++-------
> drivers/net/ethernet/intel/i40evf/i40e_txrx.c | 16 +++++++++-------
> 2 files changed, 18 insertions(+), 14 deletions(-)
Tested-by: Andrew Bowers <andrewx.bowers at intel.com>
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