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From:   Ioana Ciornei <ioana.ciornei@nxp.com>
To:     Leo Li <leoyang.li@nxp.com>
CC:     Roy Pledge <roy.pledge@nxp.com>,
        Ioana Ciocoi Radulescu <ruxandra.radulescu@nxp.com>,
        Laurentiu Tudor <laurentiu.tudor@nxp.com>,
        Horia Geanta <horia.geanta@nxp.com>,
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        "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Ioana Ciornei <ioana.ciornei@nxp.com>
Subject: [PATCH 3/3] dpaa2-eth: configure the cache stashing amount on a queue
Thread-Topic: [PATCH 3/3] dpaa2-eth: configure the cache stashing amount on a
 queue
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Date:   Sat, 23 Feb 2019 08:48:55 +0000
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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>
---
 drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net=
/ethernet/freescale/dpaa2/dpaa2-eth.c
index c500ea7..3c03fca8 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -2303,9 +2303,14 @@ static int setup_rx_flow(struct dpaa2_eth_priv *priv=
,
 	queue.destination.type =3D DPNI_DEST_DPCON;
 	queue.destination.priority =3D 1;
 	queue.user_context =3D (u64)(uintptr_t)fq;
+	queue.flc.stash_control =3D 1;
+	queue.flc.value &=3D 0xFFFFFFFFFFFFFFC0;
+	/* 01 01 00 - data, annotation, flow context */
+	queue.flc.value |=3D 0x14;
 	err =3D 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");
--=20
1.9.1