[14/27] net/dpaa2: add support for congestion overhead

Message ID	1503658183-4078-15-git-send-email-hemant.agrawal@nxp.com
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Series	NXP DPAA2 PMD updates \| expand [00/27] NXP DPAA2 PMD updates [01/27] bus/fslmc: qbman replace word copy with memcpy [02/27] bus/fslmc: remove the export for qbman version function [03/27] bus/fslmc: add qbman API to do enqueue with multiple frames [04/27] bus/fslmc: support up to 32 frames in one volatile dequeue [05/27] bus/fslmc: enhance the QBMAN CENA mode [06/27] bus/fslmc: qbman remove unused funcs and align names [07/27] bus/fslmc: cleanup compat file [08/27] bus/fslmc: clean the qbman support code [09/27] bus/fslmc: update MC to 10.3.x [10/27] net/dpaa2: update MC to 10.3.x [11/27] crypto/dpaa2_sec: update MC to 10.3.x [12/27] config/dpaa2: change max lores to 16 [13/27] bus/fslmc: add support for LX2160 platform [14/27] net/dpaa2: add support for congestion overhead [15/27] bus/fslmc: add support to check dpbp presence [16/27] bus/fslmc: cleanup the dpaa2 interrupt support [17/27] net/dpaa2: add support for link status event [18/27] bus/fslmc: enable link status interrupt [19/27] net/dpaa2: check physical link state on up cmd [20/27] net/dpaa2: improve error and logs for flow distribution [21/27] net/dpaa2: increase the dist param to 64 bit [22/27] net/dpaa2: remove RSS restriction with num of queues [23/27] net/dpaa2: add support for RSS hash update and get [24/27] net/dpaa2: add support for extra stats [25/27] net/dpaa2: fix the Tx handling of non HW pool bufs [26/27] net/dpaa2: improve debug messaging [27/27] net/dpaa2: log that VLAN extend offload not supported

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From: Hemant Agrawal <hemant.agrawal@nxp.com>
To: <ferruh.yigit@intel.com>
CC: <dev@dpdk.org>, <shreyansh.jain@nxp.com>
Date: Fri, 25 Aug 2017 16:19:30 +0530
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Subject: [dpdk-dev] [PATCH 14/27] net/dpaa2: add support for congestion
	overhead
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Series

NXP DPAA2 PMD updates | expand

Commit Message

Hemant Agrawal Aug. 25, 2017, 10:49 a.m. UTC

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

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

[14/27] net/dpaa2: add support for congestion overhead

Commit Message

Patch