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 3AE2DA2EDB for ; Fri, 6 Sep 2019 05:49:38 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id E78041F0E1; Fri, 6 Sep 2019 05:49:37 +0200 (CEST) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id 250641F05A; Fri, 6 Sep 2019 05:49:33 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Sep 2019 20:49:33 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,472,1559545200"; d="scan'208";a="267236836" Received: from intel.sh.intel.com ([10.239.255.129]) by orsmga001.jf.intel.com with ESMTP; 05 Sep 2019 20:49:31 -0700 From: "lunyuan.cui" To: dev@dpdk.org Cc: Wenzhuo Lu , "lunyuan.cui" , stable@dpdk.org Date: Fri, 6 Sep 2019 11:47:30 +0000 Message-Id: <20190906114730.27261-1-lunyuanx.cui@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190905032240.23239-1-lunyuanx.cui@intel.com> References: <20190905032240.23239-1-lunyuanx.cui@intel.com> Subject: [dpdk-stable] [PATCH v2] net/iavf: fix multi-queue Rx interrupt for VF 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" The original issue was that the last queue could not be mapped to the interrupt vector, so the last queue could not receive the package in the interrupt mode. This patch fixes the issue. Fixes: d6bde6b5eae9 ("net/avf: enable Rx interrupt") Cc: stable@dpdk.org Signed-off-by: Lunyuan Cui --- drivers/net/iavf/iavf_ethdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c index 8f3907378..6559bfa1f 100644 --- a/drivers/net/iavf/iavf_ethdev.c +++ b/drivers/net/iavf/iavf_ethdev.c @@ -360,7 +360,7 @@ static int iavf_config_rx_queues_irqs(struct rte_eth_dev *dev, for (i = 0; i < dev->data->nb_rx_queues; i++) { vf->rxq_map[vec] |= 1 << i; intr_handle->intr_vec[i] = vec++; - if (vec >= vf->nb_msix) + if (vec > vf->nb_msix) vec = IAVF_RX_VEC_START; } PMD_DRV_LOG(DEBUG, -- 2.17.1