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staging: dpaa2-switch: setup buffer pool and RX path rings

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Allocate and setup a buffer pool, needed on the Rx path of the control
interface. Also, define the Rx buffer size seen by the WRIOP from the
PAGE_SIZE buffers seeded.

Also, create the needed Rx rings for both frame queues used on the
control interface.  On the Rx path, when a pull-dequeue operation is
performed on a software portal, available frame descriptors are put in a
ring - a DMA memory storage - for further usage.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ioana Ciornei 2021-03-10 14:14:42 +02:00 • committed by David S. Miller
commit 2877e4f7e1
5 changed files with 209 additions and 0 deletions
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