dpaa2-eth: Release buffers back to pool on XDP_DROP

Browse source

Instead of freeing the RX buffers, release them back into the pool.
We wait for the maximum number of buffers supported by a single
release command to accumulate before issuing the command.

Also, don't unmap the Rx buffers at the beginning of the Rx routine
anymore, since that would require remapping them before release.
Instead, just do a DMA sync at first and only unmap if the frame is
meant for the stack.

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

This commit is contained in:

Ioana Ciocoi Radulescu 2018-11-26 16:27:31 +00:00 • committed by David S. Miller

parent 569375fb57

commit 5d39dc2148

2 changed files with 33 additions and 3 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

34

drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c

View file

2

drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h

View file