[dpdk-dev] [PATCH 32/32] net/dpaa2: enable stashing for LS2088A devices

Hemant Agrawal hemant.agrawal at nxp.com
Sun Dec 4 19:17:27 CET 2016


Signed-off-by: Hemant Agrawal <hemant.agrawal at nxp.com>
---
 drivers/net/dpaa2/dpaa2_ethdev.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c
index 1a25f07..dd8e8fb 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.c
+++ b/drivers/net/dpaa2/dpaa2_ethdev.c
@@ -229,6 +229,17 @@
 	options = options | DPNI_QUEUE_OPT_USER_CTX;
 	cfg.user_context = (uint64_t)(dpaa2_q);
 
+	/*if ls2088 or rev2 device, enable the stashing */
+	if ((qbman_get_version() & 0xFFFF0000) > QMAN_REV_4000) {
+		options |= DPNI_QUEUE_OPT_FLC;
+		cfg.flc.stash_control = true;
+		cfg.flc.value &= 0xFFFFFFFFFFFFFFC0;
+		/* 00 00 00 - last 6 bit represent annotation, context stashing,
+		*  data stashing setting 01 01 00 (0x14) to enable
+		*  1 line annotation, 1 line context
+		*/
+		cfg.flc.value |= 0x14;
+	}
 	ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_RX,
 			     dpaa2_q->tc_index, flow_id, options, &cfg);
 	if (ret) {
-- 
1.9.1



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