net/dpaa2: support congestion overhead
authorHemant Agrawal <hemant.agrawal@nxp.com>
Sat, 16 Sep 2017 10:52:25 +0000 (16:22 +0530)
committerFerruh Yigit <ferruh.yigit@intel.com>
Fri, 6 Oct 2017 01:24:17 +0000 (03:24 +0200)
Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
drivers/net/dpaa2/dpaa2_ethdev.c
drivers/net/dpaa2/dpaa2_ethdev.h

index 945dcc7..d7950a5 100644 (file)
@@ -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,
index 07e1da6..6ee1a9f 100644 (file)
@@ -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