On Fri, Apr 02, 2021 at 12:55:31PM +0300, Ioana Ciornei wrote:
> From: Ioana Ciornei <ioana.cior...@nxp.com>
>
> DMA unmapping, allocating a new buffer and DMA mapping it back on the
> refill path is really not that efficient. Proper buffer recycling (page
> pool, flipping the page and using the other half) cannot be done for
> DPAA2 since it's not a ring based controller but it rather deals with
> multiple queues which all get their buffers from the same buffer pool on
> Rx.
>
> To circumvent these limitations, add support for Rx copybreak. For small
> sized packets instead of creating a skb around the buffer in which the
> frame was received, allocate a new sk buffer altogether, copy the
> contents of the frame and release the initial page back into the buffer
> pool.
>
> Signed-off-by: Ioana Ciornei <ioana.cior...@nxp.com>
Reviewed-by: Andrew Lunn <and...@lunn.ch>
Andrew
