[v2,14/30] net/dpaa2: add support for congestion overhead

Message ID 1504860327-18451-15-git-send-email-hemant.agrawal@nxp.com
State Superseded
Headers show
Series
  • NXP DPAA2 PMD updates
Related show

Commit Message

Hemant Agrawal Sept. 8, 2017, 8:45 a.m.
Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>

---
 drivers/net/dpaa2/dpaa2_ethdev.c | 1 +
 drivers/net/dpaa2/dpaa2_ethdev.h | 1 +
 2 files changed, 2 insertions(+)

-- 
2.7.4

Patch

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