From patchwork Sun Sep 27 07:26:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robin Zhang X-Patchwork-Id: 78911 X-Patchwork-Delegate: qi.z.zhang@intel.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 4F1B3A04BC; Sun, 27 Sep 2020 09:49:39 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 7C0611D9A4; Sun, 27 Sep 2020 09:47:43 +0200 (CEST) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by dpdk.org (Postfix) with ESMTP id 07B011D98F for ; Sun, 27 Sep 2020 09:47:40 +0200 (CEST) IronPort-SDR: sItlqkCMbSt48hl3t1SZFtCz9upvmL8jboYRK9H925hxGAHrUhtqWFBae0iESV2dgTTMz96Xut A427iZRux9lA== X-IronPort-AV: E=McAfee;i="6000,8403,9756"; a="223438307" X-IronPort-AV: E=Sophos;i="5.77,309,1596524400"; d="scan'208";a="223438307" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Sep 2020 00:47:40 -0700 IronPort-SDR: OgdAapvVYYjcxQT8+tzHlCRN82EYEXX/uk78pi9prjoV+Eo1OmE/t0y42qRHwju84uvmhzDHLl NPsjyBOMcH2A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,309,1596524400"; d="scan'208";a="323939531" Received: from intel-npg-odc-srv03.cd.intel.com ([10.240.178.138]) by orsmga002.jf.intel.com with ESMTP; 27 Sep 2020 00:47:37 -0700 From: Robin Zhang To: dev@dpdk.org Cc: beilei.xing@intel.com, jingjing.wu@intel.com, qiming.yang@intel.com, stevex.yang@intel.com, Robin Zhang Date: Sun, 27 Sep 2020 07:26:26 +0000 Message-Id: <20200927072626.28374-9-robinx.zhang@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200927072626.28374-1-robinx.zhang@intel.com> References: <20200927072626.28374-1-robinx.zhang@intel.com> Subject: [dpdk-dev] [PATCH 8/8] net/iavf: support check DD bit of a RX descriptor X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add implementation of inline API rx_descriptor_done in iavf PMD. Signed-off-by: Robin Zhang --- drivers/net/iavf/iavf_ethdev.c | 1 + drivers/net/iavf/iavf_rxtx.c | 26 ++++++++++++++++++++++++++ drivers/net/iavf/iavf_rxtx.h | 1 + 3 files changed, 28 insertions(+) diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c index 836c09f58..b7a819a0e 100644 --- a/drivers/net/iavf/iavf_ethdev.c +++ b/drivers/net/iavf/iavf_ethdev.c @@ -1417,6 +1417,7 @@ iavf_dev_init(struct rte_eth_dev *eth_dev) /* assign ops func pointer */ eth_dev->dev_ops = &iavf_eth_dev_ops; eth_dev->rx_queue_count = iavf_dev_rxq_count; + eth_dev->rx_descriptor_done = iavf_dev_rx_desc_done; eth_dev->rx_descriptor_status = iavf_dev_rx_desc_status; eth_dev->tx_descriptor_status = iavf_dev_tx_desc_status; eth_dev->rx_pkt_burst = &iavf_recv_pkts; diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c index 1b0efe043..d9e3aac1d 100644 --- a/drivers/net/iavf/iavf_rxtx.c +++ b/drivers/net/iavf/iavf_rxtx.c @@ -2337,6 +2337,32 @@ iavf_dev_rxq_count(struct rte_eth_dev *dev, uint16_t queue_id) return desc; } +int +iavf_dev_rx_desc_done(void *rx_queue, uint16_t offset) +{ + volatile union iavf_rx_desc *rxdp; + struct iavf_rx_queue *rxq = rx_queue; + uint16_t desc; + int ret; + + if (unlikely(offset >= rxq->nb_rx_desc)) { + PMD_DRV_LOG(ERR, "Invalid RX descriptor id %u", offset); + return 0; + } + + desc = rxq->rx_tail + offset; + if (desc >= rxq->nb_rx_desc) + desc -= rxq->nb_rx_desc; + + rxdp = &rxq->rx_ring[desc]; + + ret = !!(((rte_le_to_cpu_64(rxdp->wb.qword1.status_error_len) & + IAVF_RXD_QW1_STATUS_MASK) >> IAVF_RXD_QW1_STATUS_SHIFT) & + (1 << IAVF_RX_DESC_STATUS_DD_SHIFT)); + + return ret; +} + int iavf_dev_rx_desc_status(void *rx_queue, uint16_t offset) { diff --git a/drivers/net/iavf/iavf_rxtx.h b/drivers/net/iavf/iavf_rxtx.h index 3d02c6589..d5c002858 100644 --- a/drivers/net/iavf/iavf_rxtx.h +++ b/drivers/net/iavf/iavf_rxtx.h @@ -404,6 +404,7 @@ void iavf_dev_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id, void iavf_dev_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id, struct rte_eth_txq_info *qinfo); uint32_t iavf_dev_rxq_count(struct rte_eth_dev *dev, uint16_t queue_id); +int iavf_dev_rx_desc_done(void *rx_queue, uint16_t offset); int iavf_dev_rx_desc_status(void *rx_queue, uint16_t offset); int iavf_dev_tx_desc_status(void *tx_queue, uint16_t offset);