From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 921EEA3160 for ; Fri, 11 Oct 2019 08:02:48 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 5761A1E9A0; Fri, 11 Oct 2019 08:02:48 +0200 (CEST) Received: from inva020.nxp.com (inva020.nxp.com [92.121.34.13]) by dpdk.org (Postfix) with ESMTP id 24BED1E932; Fri, 11 Oct 2019 08:02:40 +0200 (CEST) Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 07DDD1A04E3; Fri, 11 Oct 2019 08:02:40 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id E6E171A04EE; Fri, 11 Oct 2019 08:02:36 +0200 (CEST) Received: from GDB1.ap.freescale.net (GDB1.ap.freescale.net [10.232.132.179]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id A2902402FF; Fri, 11 Oct 2019 14:02:32 +0800 (SGT) From: Nipun Gupta To: dev@dpdk.org Cc: ferruh.yigit@intel.com, hemant.agrawal@nxp.com, sachin.saxena@nxp.com, stable@dpdk.org, Nipun Gupta Date: Fri, 11 Oct 2019 11:16:54 +0530 Message-Id: <20191011054657.21931-7-nipun.gupta@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191011054657.21931-1-nipun.gupta@nxp.com> References: <20191011054657.21931-1-nipun.gupta@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Subject: [dpdk-stable] [PATCH 6/9] raw/dpaa2_qdma: add retry and timeout in packet enqueue API X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" 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 --- 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