From: Nipun Gupta Date: Tue, 5 Nov 2019 14:23:18 +0000 (+0530) Subject: raw/dpaa2_cmdif: add retry and timeout in packet enqueue API X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=0da362b8f9236e32c3ca70ac3e1b32d1110f37e8;p=dpdk.git raw/dpaa2_cmdif: add retry and timeout in packet enqueue API 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 Acked-by: Hemant Agrawal --- diff --git a/drivers/raw/dpaa2_cmdif/dpaa2_cmdif.c b/drivers/raw/dpaa2_cmdif/dpaa2_cmdif.c index 3f42da1fed..ae53114b54 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; RTE_SET_USED(count); @@ -100,11 +101,15 @@ 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