From d47f0292b8cb8c48c205587d07c567d696c49340 Mon Sep 17 00:00:00 2001 From: Hemant Agrawal Date: Sat, 16 Sep 2017 16:22:25 +0530 Subject: [PATCH] net/dpaa2: support congestion overhead Signed-off-by: Hemant Agrawal --- 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 945dcc7301..d7950a5fe3 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 07e1da68e3..6ee1a9f134 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 -- 2.20.1