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X-IronPort-AV: E=McAfee;i="6500,9779,10593"; a="308498156" X-IronPort-AV: E=Sophos;i="5.97,224,1669104000"; d="scan'208";a="308498156" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jan 2023 00:53:42 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10593"; a="661632073" X-IronPort-AV: E=Sophos;i="5.97,224,1669104000"; d="scan'208";a="661632073" Received: from dpdk-mingxial-01.sh.intel.com ([10.67.119.167]) by fmsmga007.fm.intel.com with ESMTP; 18 Jan 2023 00:53:40 -0800 From: Mingxia Liu To: dev@dpdk.org, qi.z.zhang@intel.com, jingjing.wu@intel.com, beilei.xing@intel.com Cc: Mingxia Liu Subject: [PATCH v4 11/21] net/cpfl: support write back based on ITR expire Date: Wed, 18 Jan 2023 07:57:28 +0000 Message-Id: <20230118075738.904616-12-mingxia.liu@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230118075738.904616-1-mingxia.liu@intel.com> References: <20230113081931.221576-1-mingxia.liu@intel.com> <20230118075738.904616-1-mingxia.liu@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Enable write back on ITR expire, then packets can be received one by Signed-off-by: Mingxia Liu --- drivers/net/cpfl/cpfl_ethdev.c | 45 +++++++++++++++++++++++++++++++++- drivers/net/cpfl/cpfl_ethdev.h | 2 ++ 2 files changed, 46 insertions(+), 1 deletion(-) diff --git a/drivers/net/cpfl/cpfl_ethdev.c b/drivers/net/cpfl/cpfl_ethdev.c index 94ff0d94bb..c678fe0354 100644 --- a/drivers/net/cpfl/cpfl_ethdev.c +++ b/drivers/net/cpfl/cpfl_ethdev.c @@ -212,6 +212,15 @@ cpfl_dev_configure(struct rte_eth_dev *dev) return 0; } +static int +cpfl_config_rx_queues_irqs(struct rte_eth_dev *dev) +{ + struct idpf_vport *vport = dev->data->dev_private; + uint16_t nb_rx_queues = dev->data->nb_rx_queues; + + return idpf_config_irq_map(vport, nb_rx_queues); +} + static int cpfl_start_queues(struct rte_eth_dev *dev) { @@ -249,12 +258,37 @@ static int cpfl_dev_start(struct rte_eth_dev *dev) { struct idpf_vport *vport = dev->data->dev_private; + struct idpf_adapter *base = vport->adapter; + struct cpfl_adapter_ext *adapter = CPFL_ADAPTER_TO_EXT(base); + uint16_t num_allocated_vectors = base->caps.num_allocated_vectors; + uint16_t req_vecs_num; int ret; + req_vecs_num = CPFL_DFLT_Q_VEC_NUM; + if (req_vecs_num + adapter->used_vecs_num > num_allocated_vectors) { + PMD_DRV_LOG(ERR, "The accumulated request vectors' number should be less than %d", + num_allocated_vectors); + ret = -EINVAL; + goto err_vec; + } + + ret = idpf_vc_alloc_vectors(vport, req_vecs_num); + if (ret != 0) { + PMD_DRV_LOG(ERR, "Failed to allocate interrupt vectors"); + goto err_vec; + } + adapter->used_vecs_num += req_vecs_num; + + ret = cpfl_config_rx_queues_irqs(dev); + if (ret != 0) { + PMD_DRV_LOG(ERR, "Failed to configure irqs"); + goto err_irq; + } + ret = cpfl_start_queues(dev); if (ret != 0) { PMD_DRV_LOG(ERR, "Failed to start queues"); - return ret; + goto err_startq; } cpfl_set_rx_function(dev); @@ -272,6 +306,11 @@ cpfl_dev_start(struct rte_eth_dev *dev) err_vport: cpfl_stop_queues(dev); +err_startq: + idpf_config_irq_unmap(vport, dev->data->nb_rx_queues); +err_irq: + idpf_vc_dealloc_vectors(vport); +err_vec: return ret; } @@ -287,6 +326,10 @@ cpfl_dev_stop(struct rte_eth_dev *dev) cpfl_stop_queues(dev); + idpf_config_irq_unmap(vport, dev->data->nb_rx_queues); + + idpf_vc_dealloc_vectors(vport); + vport->stopped = 1; return 0; diff --git a/drivers/net/cpfl/cpfl_ethdev.h b/drivers/net/cpfl/cpfl_ethdev.h index 83459b9c91..9ae543c2ad 100644 --- a/drivers/net/cpfl/cpfl_ethdev.h +++ b/drivers/net/cpfl/cpfl_ethdev.h @@ -24,6 +24,8 @@ #define CPFL_INVALID_VPORT_IDX 0xffff +#define CPFL_DFLT_Q_VEC_NUM 1 + #define CPFL_MIN_BUF_SIZE 1024 #define CPFL_MAX_FRAME_SIZE 9728 #define CPFL_DEFAULT_MTU RTE_ETHER_MTU -- 2.25.1