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 AC27641C7F; Mon, 13 Feb 2023 04:18:40 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 8EB4C42D5E; Mon, 13 Feb 2023 04:17:42 +0100 (CET) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by mails.dpdk.org (Postfix) with ESMTP id A630642D4E for ; Mon, 13 Feb 2023 04:17:40 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1676258260; x=1707794260; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=fTy7/5iMqDZICBWMy6qJQ6SYB1Cmrp+HpdJsx0eanO4=; b=nM+uYT28S0TfWvE7hFIxcLuMW09KhPtIhuDwt4DdTSiaSSEMwp0o0wLC Q57C2Ya1akX0zH3/7uH+wBIsQYOuC07pCiZnYbWwnkFb6HJBSnXy7Cn7r 36SNdqIeVKaKQeCwkSvPOvfR3DsavQvnKhX6Qegg6sBBMTe1wS86fuYGl C3tabb2HPRLtvVbvX1d1x6J4pdr6dVZYwtiJrcELUGLfkrshqGMX3C4r2 JH+X4yl3A9rFIo4xoNMMfZ6fZ9PxHd+/U23PS1lXKUkJLMdToBZO5t3ZZ PbxiwRq18XZQTo/wFoOxQx54yD2WcIOm3mQo0oG4gOCO6vhYYQ1D+mTB8 w==; X-IronPort-AV: E=McAfee;i="6500,9779,10619"; a="328504044" X-IronPort-AV: E=Sophos;i="5.97,291,1669104000"; d="scan'208";a="328504044" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Feb 2023 19:17:40 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10619"; a="777657941" X-IronPort-AV: E=Sophos;i="5.97,291,1669104000"; d="scan'208";a="777657941" Received: from dpdk-mingxial-01.sh.intel.com ([10.67.119.167]) by fmsmga002.fm.intel.com with ESMTP; 12 Feb 2023 19:17:35 -0800 From: Mingxia Liu To: dev@dpdk.org, beilei.xing@intel.com, yuying.zhang@intel.com Cc: Mingxia Liu Subject: [PATCH v6 11/21] net/cpfl: support write back based on ITR expire Date: Mon, 13 Feb 2023 02:19:46 +0000 Message-Id: <20230213021956.2953088-12-mingxia.liu@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230213021956.2953088-1-mingxia.liu@intel.com> References: <20230209084541.2712723-1-mingxia.liu@intel.com> <20230213021956.2953088-1-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 f02cbd08d9..7e0630c605 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_vport_irq_map_config(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_vectors_alloc(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_vport_irq_unmap_config(vport, dev->data->nb_rx_queues); +err_irq: + idpf_vc_vectors_dealloc(vport); +err_vec: return ret; } @@ -287,6 +326,10 @@ cpfl_dev_stop(struct rte_eth_dev *dev) cpfl_stop_queues(dev); + idpf_vport_irq_unmap_config(vport, dev->data->nb_rx_queues); + + idpf_vc_vectors_dealloc(vport); + vport->stopped = 1; return 0; diff --git a/drivers/net/cpfl/cpfl_ethdev.h b/drivers/net/cpfl/cpfl_ethdev.h index 9ca39b4558..cd7f560d19 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