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 C5358A09F0 for ; Thu, 17 Dec 2020 11:36:44 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 89F3FC9D2; Thu, 17 Dec 2020 11:36:43 +0100 (CET) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id C111EC9D2 for ; Thu, 17 Dec 2020 11:36:40 +0100 (CET) IronPort-SDR: KBkA1GnJkbp3orE7gkjClwo2av8vbQtAlH/dQ5p7v/A1a/G+JxoQYgt82enEiVBERH7DADc+fq cM/icgi9okRQ== X-IronPort-AV: E=McAfee;i="6000,8403,9837"; a="175333288" X-IronPort-AV: E=Sophos;i="5.78,426,1599548400"; d="scan'208";a="175333288" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Dec 2020 02:36:39 -0800 IronPort-SDR: B5tZuhCt6uBnKW9/3bsqDkTPRn4Q27mJPa3Tw9eJ7l+e5pKXY0g7KRNCa2fZqm6t5cx23w57mQ Zd7R6c2U9e2g== X-IronPort-AV: E=Sophos;i="5.78,426,1599548400"; d="scan'208";a="369780433" Received: from unknown (HELO ubuntu-server.sh.intel.com) ([10.240.183.93]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Dec 2020 02:36:37 -0800 From: dapengx.yu@intel.com To: jingjing.wu@intel.com, wenzhuo.lu@intel.com, bluca@debian.org Cc: stable@dpdk.org, YU DAPENG Date: Thu, 17 Dec 2020 18:36:08 +0800 Message-Id: <20201217103608.234579-1-dapengx.yu@intel.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-stable] [PATCH] net/iavf: enable port reset 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" From: YU DAPENG This patch is intended to add iavf_dev_reset ops, enable iavf to support "port reset". And also make iavf_dev_close be called to clean port resources. Signed-off-by: YU DAPENG --- drivers/net/iavf/iavf_ethdev.c | 21 ++++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c index 3291d18a2d..042dd93641 100644 --- a/drivers/net/iavf/iavf_ethdev.c +++ b/drivers/net/iavf/iavf_ethdev.c @@ -37,6 +37,7 @@ static int iavf_dev_configure(struct rte_eth_dev *dev); static int iavf_dev_start(struct rte_eth_dev *dev); static void iavf_dev_stop(struct rte_eth_dev *dev); static void iavf_dev_close(struct rte_eth_dev *dev); +static int iavf_dev_reset(struct rte_eth_dev *dev); static int iavf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info); static const uint32_t *iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev); @@ -99,6 +100,7 @@ static const struct eth_dev_ops iavf_eth_dev_ops = { .dev_start = iavf_dev_start, .dev_stop = iavf_dev_stop, .dev_close = iavf_dev_close, + .dev_reset = iavf_dev_reset, .dev_infos_get = iavf_dev_info_get, .dev_supported_ptypes_get = iavf_dev_supported_ptypes_get, .link_update = iavf_dev_link_update, @@ -1438,7 +1440,6 @@ static int iavf_dev_uninit(struct rte_eth_dev *dev) { struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private); if (rte_eal_process_type() != RTE_PROC_PRIMARY) return -EPERM; @@ -1446,8 +1447,7 @@ iavf_dev_uninit(struct rte_eth_dev *dev) dev->dev_ops = NULL; dev->rx_pkt_burst = NULL; dev->tx_pkt_burst = NULL; - if (hw->adapter_stopped == 0) - iavf_dev_close(dev); + iavf_dev_close(dev); rte_free(vf->vf_res); vf->vsi_res = NULL; @@ -1470,6 +1470,21 @@ iavf_dev_uninit(struct rte_eth_dev *dev) return 0; } +/* + * Reset VF device only to re-initialize resources in PMD layer + */ +static int +iavf_dev_reset(struct rte_eth_dev *dev) +{ + int ret; + + ret = iavf_dev_uninit(dev); + if (ret) + return ret; + + return iavf_dev_init(dev); +} + static int eth_iavf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, struct rte_pci_device *pci_dev) { -- 2.25.1