From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id E80DDA0A0B for ; Thu, 28 Jan 2021 16:02:08 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id D80221889E1; Thu, 28 Jan 2021 16:02:08 +0100 (CET) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by mails.dpdk.org (Postfix) with ESMTP id 57F3E40395; Thu, 28 Jan 2021 16:02:06 +0100 (CET) IronPort-SDR: eCHnefV69ZPAIuyeKXXEl8ANi6XSzk7h4K3cM/Ng7+eCGSmGJyhxSl7e+hwuY7GfV1r86ow6SQ mvca5haxV5dg== X-IronPort-AV: E=McAfee;i="6000,8403,9877"; a="179463840" X-IronPort-AV: E=Sophos;i="5.79,382,1602572400"; d="scan'208";a="179463840" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Jan 2021 07:02:05 -0800 IronPort-SDR: whdMjYVWG8RPvHT+9BGeh+wQ8Nh7KHiEF12DIWWCCbrTFqtoY0fZGW3WsCflpTwNGL24PfvjwX EJ9UtLZ84u5A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.79,382,1602572400"; d="scan'208";a="363784819" Received: from dpdk-wujingji.sh.intel.com ([10.67.119.101]) by fmsmga008.fm.intel.com with ESMTP; 28 Jan 2021 07:02:04 -0800 From: Jingjing Wu To: dev@dpdk.org Cc: jingjing.wu@intel.com, beilei.xing@intel.com, stable@dpdk.org Date: Thu, 28 Jan 2021 23:00:21 +0800 Message-Id: <20210128150021.784-1-jingjing.wu@intel.com> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20210128023724.39057-1-jingjing.wu@intel.com> References: <20210128023724.39057-1-jingjing.wu@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-stable] [PATCH v2] net/iavf: fix vector mapping with queue X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 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" Fix the vector mapping with queue by changing the recircle when exceeds RX_VEC_START + nb_msix; Fixes: d6bde6b5eae9 ("net/avf: enable Rx interrupt") Signed-off-by: Jingjing Wu --- v2: - fix compile warning. drivers/net/iavf/iavf_ethdev.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c index cf6ea0b15..744904e6e 100644 --- a/drivers/net/iavf/iavf_ethdev.c +++ b/drivers/net/iavf/iavf_ethdev.c @@ -612,15 +612,15 @@ static int iavf_config_rx_queues_irqs(struct rte_eth_dev *dev, /* If Rx interrupt is reuquired, and we can use * multi interrupts, then the vec is from 1 */ - vf->nb_msix = RTE_MIN(vf->vf_res->max_vectors, - intr_handle->nb_efd); + vf->nb_msix = RTE_MIN(intr_handle->nb_efd, + (uint16_t)(vf->vf_res->max_vectors - 1)); vf->msix_base = IAVF_RX_VEC_START; vec = IAVF_RX_VEC_START; for (i = 0; i < dev->data->nb_rx_queues; i++) { qv_map[i].queue_id = i; qv_map[i].vector_id = vec; intr_handle->intr_vec[i] = vec++; - if (vec >= vf->nb_msix) + if (vec >= vf->nb_msix + IAVF_RX_VEC_START) vec = IAVF_RX_VEC_START; } vf->qv_map = qv_map; -- 2.21.1