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From: Nipun Gupta <nipun.gupta@nxp.com>
To: dev@dpdk.org
Cc: thomas@monjalon.net, ferruh.yigit@intel.com,
	hemant.agrawal@nxp.com, sachin.saxena@nxp.com, stable@dpdk.org,
	Nipun Gupta <nipun.gupta@nxp.com>
Subject: [dpdk-stable] [PATCH 5/9 v3] raw/dpaa2_qdma: add retry and timeout in packet enqueue API
Date: Wed, 30 Oct 2019 17:39:51 +0530
Message-ID: <20191030120955.26904-6-nipun.gupta@nxp.com> (raw)
In-Reply-To: <20191030120955.26904-1-nipun.gupta@nxp.com>

This patch adds the logic in the DPAA2 QDMA packet enqueue API

Fixes: 4d9a3f2a0159 ("raw/dpaa2_qdma: support RBP mode")
Cc: stable@dpdk.org

Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
 drivers/raw/dpaa2_qdma/dpaa2_qdma.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/raw/dpaa2_qdma/dpaa2_qdma.c b/drivers/raw/dpaa2_qdma/dpaa2_qdma.c
index a391913b0..af678273d 100644
--- a/drivers/raw/dpaa2_qdma/dpaa2_qdma.c
+++ b/drivers/raw/dpaa2_qdma/dpaa2_qdma.c
@@ -541,13 +541,21 @@ dpdmai_dev_enqueue_multi(struct dpaa2_dpdmai_dev *dpdmai_dev,
 		}
 
 		/* Enqueue the packet to the QBMAN */
-		uint32_t enqueue_loop = 0;
+		uint32_t enqueue_loop = 0, retry_count = 0;
 		while (enqueue_loop < loop) {
-			enqueue_loop += qbman_swp_enqueue_multiple(swp,
+			ret = qbman_swp_enqueue_multiple(swp,
 						&eqdesc,
 						&fd[enqueue_loop],
 						NULL,
 						loop - enqueue_loop);
+			if (unlikely(ret < 0)) {
+				retry_count++;
+				if (retry_count > DPAA2_MAX_TX_RETRY_COUNT)
+					return num_tx - (loop - enqueue_loop);
+			} else {
+				enqueue_loop += ret;
+				retry_count = 0;
+			}
 		}
 		nb_jobs -= loop;
 	}
-- 
2.17.1


  parent reply index

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20191011054657.21931-1-nipun.gupta@nxp.com>
2019-10-11  5:46 ` [dpdk-stable] [PATCH 1/9] net/dpaa: fix supported RSS types Nipun Gupta
2019-10-11  5:46 ` [dpdk-stable] [PATCH 2/9] net/dpaa: fix LS1043 alignment check Nipun Gupta
2019-10-11  5:46 ` [dpdk-stable] [PATCH 3/9] common/dpaax: fallback to check separate memory node for VM Nipun Gupta
2019-10-11  5:46 ` [dpdk-stable] [PATCH 4/9] mempool/dpaa2: panic on endless loop in mbuf release Nipun Gupta
2019-10-11  5:46 ` [dpdk-stable] [PATCH 5/9] net/dpaa2: add retry and timeout in packet enqueue API Nipun Gupta
2019-10-11  5:46 ` [dpdk-stable] [PATCH 6/9] raw/dpaa2_qdma: " Nipun Gupta
2019-10-15  6:55   ` Hemant Agrawal
2019-10-11  5:46 ` [dpdk-stable] [PATCH 7/9] raw/dpaa2_cmdif: " Nipun Gupta
2019-10-15  6:55   ` Hemant Agrawal
     [not found] ` <20191017124403.26734-1-nipun.gupta@nxp.com>
2019-10-17 12:43   ` [dpdk-stable] [PATCH 1/9 v2] net/dpaa: fix supported RSS types Nipun Gupta
2019-10-17 12:43   ` [dpdk-stable] [PATCH 2/9 v2] net/dpaa: fix LS1043 alignment check Nipun Gupta
2019-10-17 12:43   ` [dpdk-stable] [PATCH 3/9 v2] common/dpaax: fallback to check separate memory node for VM Nipun Gupta
2019-10-17 12:43   ` [dpdk-stable] [PATCH 4/9 v2] net/dpaa2: add retry and timeout in packet enqueue API Nipun Gupta
2019-10-17 12:43   ` [dpdk-stable] [PATCH 5/9 v2] raw/dpaa2_qdma: " Nipun Gupta
2019-10-17 12:44   ` [dpdk-stable] [PATCH 6/9 v2] raw/dpaa2_cmdif: " Nipun Gupta
2019-10-17 12:44   ` [dpdk-stable] [PATCH 7/9 v2] mempool/dpaa2: panic on endless loop in mbuf release Nipun Gupta
2019-10-23 23:08     ` Thomas Monjalon
2019-10-30 12:17       ` Nipun Gupta
     [not found] ` <20191030120955.26904-1-nipun.gupta@nxp.com>
2019-10-30 12:09   ` [dpdk-stable] [PATCH 1/9 v3] net/dpaa: fix supported RSS types Nipun Gupta
2019-10-30 12:09   ` [dpdk-stable] [PATCH 2/9 v3] net/dpaa: fix LS1043 alignment check Nipun Gupta
2019-10-30 12:09   ` [dpdk-stable] [PATCH 3/9 v3] common/dpaax: fallback to check separate memory node for VM Nipun Gupta
2019-10-30 12:09   ` [dpdk-stable] [PATCH 4/9 v3] net/dpaa2: add retry and timeout in packet enqueue API Nipun Gupta
2019-10-30 12:09   ` Nipun Gupta [this message]
2019-10-30 12:09   ` [dpdk-stable] [PATCH 6/9 v3] raw/dpaa2_cmdif: " Nipun Gupta
2019-10-30 12:09   ` [dpdk-stable] [PATCH 7/9 v3] mempool/dpaa2: report error on endless loop in mbuf release Nipun Gupta
     [not found] ` <20191105142321.7478-1-nipun.gupta@nxp.com>
2019-11-05 14:23   ` [dpdk-stable] [PATCH 1/9 v4] net/dpaa: fix supported RSS types Nipun Gupta
2019-11-05 14:23   ` [dpdk-stable] [PATCH 2/9 v4] net/dpaa: fix LS1043 alignment check Nipun Gupta
2019-11-05 14:23   ` [dpdk-stable] [PATCH 3/9 v4] common/dpaax: fallback to check separate memory node for VM Nipun Gupta
2019-11-05 14:23   ` [dpdk-stable] [PATCH 4/9 v4] net/dpaa2: add retry and timeout in packet enqueue API Nipun Gupta
2019-11-05 14:23   ` [dpdk-stable] [PATCH 5/9 v4] raw/dpaa2_qdma: " Nipun Gupta
2019-11-05 14:23   ` [dpdk-stable] [PATCH 6/9 v4] raw/dpaa2_cmdif: " Nipun Gupta
2019-11-05 14:23   ` [dpdk-stable] [PATCH 7/9 v4] mempool/dpaa2: report error on endless loop in mbuf release Nipun Gupta

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