[dpdk-dev] [PATCH v3 11/27] net/dpaa2: add support for congestion overhead
Hemant Agrawal
hemant.agrawal at nxp.com
Sat Sep 16 12:52:25 CEST 2017
Signed-off-by: Hemant Agrawal <hemant.agrawal at nxp.com>
---
drivers/net/dpaa2/dpaa2_ethdev.c | 1 +
drivers/net/dpaa2/dpaa2_ethdev.h | 1 +
2 files changed, 2 insertions(+)
diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c
index 945dcc7..d7950a5 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.c
+++ b/drivers/net/dpaa2/dpaa2_ethdev.c
@@ -419,6 +419,7 @@ dpaa2_dev_rx_queue_setup(struct rte_eth_dev *dev,
/*enabling per rx queue congestion control */
taildrop.threshold = CONG_THRESHOLD_RX_Q;
taildrop.units = DPNI_CONGESTION_UNIT_BYTES;
+ taildrop.oal = CONG_RX_OAL;
PMD_INIT_LOG(DEBUG, "Enabling Early Drop on queue = %d",
rx_queue_id);
ret = dpni_set_taildrop(dpni, CMD_PRI_LOW, priv->token,
diff --git a/drivers/net/dpaa2/dpaa2_ethdev.h b/drivers/net/dpaa2/dpaa2_ethdev.h
index 07e1da6..6ee1a9f 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.h
+++ b/drivers/net/dpaa2/dpaa2_ethdev.h
@@ -61,6 +61,7 @@
* currently considering 32 KB packets
*/
#define CONG_THRESHOLD_RX_Q (64 * 1024)
+#define CONG_RX_OAL 128
/* Size of the input SMMU mapped memory required by MC */
#define DIST_PARAM_IOVA_SIZE 256
--
2.7.4
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