From: Nipun Gupta <nipun.gupta@nxp.com>
To: ktraynor@redhat.com
Cc: stable@dpdk.org, Nipun Gupta <nipun.gupta@nxp.com>
Subject: [dpdk-stable] [PATCH 18.11 2/5] raw/dpaa2_cmdif: add retry and timeout in packet enqueue API
Date: Tue, 17 Dec 2019 15:00:42 +0530 [thread overview]
Message-ID: <20191217093045.12659-2-nipun.gupta@nxp.com> (raw)
In-Reply-To: <20191217093045.12659-1-nipun.gupta@nxp.com>
This patch adds retry in the DPAA2 CMDIF packet enqueue API
Fixes: 53c71586c789 ("raw/dpaa2_cmdif: support enqueue/dequeue operations")
Cc: stable@dpdk.org
Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
drivers/raw/dpaa2_cmdif/dpaa2_cmdif.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/raw/dpaa2_cmdif/dpaa2_cmdif.c b/drivers/raw/dpaa2_cmdif/dpaa2_cmdif.c
index 55ded4645..9687e14d6 100644
--- a/drivers/raw/dpaa2_cmdif/dpaa2_cmdif.c
+++ b/drivers/raw/dpaa2_cmdif/dpaa2_cmdif.c
@@ -62,6 +62,7 @@ dpaa2_cmdif_enqueue_bufs(struct rte_rawdev *dev,
struct qbman_fd fd;
struct qbman_eq_desc eqdesc;
struct qbman_swp *swp;
+ uint32_t retry_count = 0;
int ret;
DPAA2_CMDIF_FUNC_TRACE();
@@ -102,11 +103,15 @@ dpaa2_cmdif_enqueue_bufs(struct rte_rawdev *dev,
ret = qbman_swp_enqueue_multiple(swp, &eqdesc, &fd, NULL, 1);
if (ret < 0 && ret != -EBUSY)
DPAA2_CMDIF_ERR("Transmit failure with err: %d\n", ret);
- } while (ret == -EBUSY);
+ retry_count++;
+ } while ((ret == -EBUSY) && (retry_count < DPAA2_MAX_TX_RETRY_COUNT));
+
+ if (ret < 0)
+ return ret;
DPAA2_CMDIF_DP_DEBUG("Successfully transmitted a packet\n");
- return 0;
+ return 1;
}
static int
--
2.17.1
next prev parent reply other threads:[~2019-12-17 9:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-17 9:30 [dpdk-stable] [PATCH 18.11 1/5] net/dpaa2: " Nipun Gupta
2019-12-17 9:30 ` Nipun Gupta [this message]
2019-12-17 9:30 ` [dpdk-stable] [PATCH 18.11 3/5] net/dpaa2: set port in mbuf Nipun Gupta
2019-12-17 9:30 ` [dpdk-stable] [PATCH 18.11 4/5] bus/dpaa: fix dpaa_sec blacklist Nipun Gupta
2019-12-17 9:30 ` [dpdk-stable] [PATCH 18.11 5/5] test/crypto: fix session init failure for wireless case Nipun Gupta
2019-12-17 14:08 ` [dpdk-stable] [PATCH 18.11 1/5] net/dpaa2: add retry and timeout in packet enqueue API Kevin Traynor
2019-12-18 5:02 ` Nipun Gupta
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