[dpdk-dev] [PATCH 09/10] net/dpaa2: add support for frame based Tx congestion
Hemant Agrawal
hemant.agrawal at nxp.com
Thu Jun 22 15:57:16 CEST 2017
Change from byte based to frame based.
Signed-off-by: Hemant Agrawal <hemant.agrawal at nxp.com>
---
drivers/net/dpaa2/dpaa2_ethdev.c | 3 +--
drivers/net/dpaa2/dpaa2_ethdev.h | 9 ++++-----
2 files changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c
index a1ef1cb..82dd8bb 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.c
+++ b/drivers/net/dpaa2/dpaa2_ethdev.c
@@ -492,8 +492,7 @@ dpaa2_dev_tx_queue_setup(struct rte_eth_dev *dev,
if (priv->flags & DPAA2_TX_CGR_SUPPORT) {
struct dpni_congestion_notification_cfg cong_notif_cfg;
- cong_notif_cfg.units = DPNI_CONGESTION_UNIT_BYTES;
- /* Notify about congestion when the queue size is 32 KB */
+ cong_notif_cfg.units = DPNI_CONGESTION_UNIT_FRAMES;
cong_notif_cfg.threshold_entry = CONG_ENTER_TX_THRESHOLD;
/* Notify that the queue is not congested when the data in
* the queue is below this thershold.
diff --git a/drivers/net/dpaa2/dpaa2_ethdev.h b/drivers/net/dpaa2/dpaa2_ethdev.h
index a146088..ee21cbb 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.h
+++ b/drivers/net/dpaa2/dpaa2_ethdev.h
@@ -47,19 +47,18 @@
/*default tc to be used for ,congestion, distribution etc configuration. */
#define DPAA2_DEF_TC 0
-/* Threshold for a queue to *Enter* Congestion state.
- * It is set to 32KB
+/* Threshold for a Tx queue to *Enter* Congestion state.
*/
-#define CONG_ENTER_TX_THRESHOLD (32 * 1024)
+#define CONG_ENTER_TX_THRESHOLD 512
/* Threshold for a queue to *Exit* Congestion state.
*/
-#define CONG_EXIT_TX_THRESHOLD (24 * 1024)
+#define CONG_EXIT_TX_THRESHOLD 480
/* RX queue tail drop threshold
* currently considering 32 KB packets
*/
-#define CONG_THRESHOLD_RX_Q (32 * 1024)
+#define CONG_THRESHOLD_RX_Q (64 * 1024)
/* Size of the input SMMU mapped memory required by MC */
#define DIST_PARAM_IOVA_SIZE 256
--
2.7.4
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