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dpaa2-eth: configure the cache stashing amount on a queue

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Configure the amount of 64 bytes of frame, annotation and context data
that will be cache stashed for a specific frame queue.  Since the frame
context is not used, configure that only 64 bytes of frame data and 64
bytes of annotation will be stashed.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
This commit is contained in:
Ioana Ciornei 2019-02-23 08:48:55 +00:00 committed by Li Yang
parent 51da14e96e
commit f8b9958534
1 changed files with 6 additions and 1 deletions
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7
drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
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@ -2303,9 +2303,14 @@ static int setup_rx_flow(struct dpaa2_eth_priv *priv,
queue.destination.type = DPNI_DEST_DPCON;
queue.destination.priority = 1;
queue.user_context = (u64)(uintptr_t)fq;
queue.flc.stash_control = 1;
queue.flc.value &= 0xFFFFFFFFFFFFFFC0;
/* 01 01 00 - data, annotation, flow context */
queue.flc.value |= 0x14;
err = dpni_set_queue(priv->mc_io, 0, priv->mc_token,
DPNI_QUEUE_RX, 0, fq->flowid,
DPNI_QUEUE_OPT_USER_CTX | DPNI_QUEUE_OPT_DEST,
DPNI_QUEUE_OPT_USER_CTX | DPNI_QUEUE_OPT_DEST |
DPNI_QUEUE_OPT_FLC,
&queue);
if (err) {
dev_err(dev, "dpni_set_queue(RX) failed\n");