From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 71F45532C for ; Fri, 30 Jun 2017 12:22:52 +0200 (CEST) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 Jun 2017 03:22:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.40,286,1496127600"; d="scan'208";a="1166574187" Received: from dpdk6.bj.intel.com ([172.16.182.81]) by fmsmga001.fm.intel.com with ESMTP; 30 Jun 2017 03:22:50 -0700 From: Wei Dai To: thomas@monjalon.net, wenzhuo.lu@intel.com, konstantin.ananyev@intel.com, jingjing.wu@intel.com, helin.zhang@intel.com, yuan.peng@intel.com Cc: dev@dpdk.org, Wei Dai Date: Fri, 30 Jun 2017 18:12:35 +0800 Message-Id: <1498817556-64379-4-git-send-email-wei.dai@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1498817556-64379-1-git-send-email-wei.dai@intel.com> References: <1498748282-69914-1-git-send-email-wei.dai@intel.com> <1498817556-64379-1-git-send-email-wei.dai@intel.com> Subject: [dpdk-dev] [PATCH v5 3/4] net/i40e: add support of reset 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: , X-List-Received-Date: Fri, 30 Jun 2017 10:22:53 -0000 Reset a NIC by calling dev_uninit() and then dev_init(). Go through the same way in NIC PCI remove without release of ethdev resource and then NIC PCI probe function without ethdev resource allocation. Signed-off-by: Wei Dai --- drivers/net/i40e/i40e_ethdev.c | 20 ++++++++++++++++++++ drivers/net/i40e/i40e_ethdev_vf.c | 16 ++++++++++++++++ 2 files changed, 36 insertions(+) diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index 4ee1113..261a5d0 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -250,6 +250,7 @@ static int i40e_dev_configure(struct rte_eth_dev *dev); static int i40e_dev_start(struct rte_eth_dev *dev); static void i40e_dev_stop(struct rte_eth_dev *dev); static void i40e_dev_close(struct rte_eth_dev *dev); +static int i40e_dev_reset(struct rte_eth_dev *dev); static void i40e_dev_promiscuous_enable(struct rte_eth_dev *dev); static void i40e_dev_promiscuous_disable(struct rte_eth_dev *dev); static void i40e_dev_allmulticast_enable(struct rte_eth_dev *dev); @@ -449,6 +450,7 @@ static const struct eth_dev_ops i40e_eth_dev_ops = { .dev_start = i40e_dev_start, .dev_stop = i40e_dev_stop, .dev_close = i40e_dev_close, + .dev_reset = i40e_dev_reset, .promiscuous_enable = i40e_dev_promiscuous_enable, .promiscuous_disable = i40e_dev_promiscuous_disable, .allmulticast_enable = i40e_dev_allmulticast_enable, @@ -2135,6 +2137,24 @@ i40e_dev_close(struct rte_eth_dev *dev) I40E_WRITE_FLUSH(hw); } +static int +i40e_dev_reset(struct rte_eth_dev *dev) +{ + int ret; + + /* To avoid unexpected behavior in VF, disable PF reset */ + if (dev->data->sriov.active) + return -ENOTSUP; + + ret = eth_i40e_dev_uninit(dev); + if (ret) + return ret; + + ret = eth_i40e_dev_init(dev); + + return ret; +} + static void i40e_dev_promiscuous_enable(struct rte_eth_dev *dev) { diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c index 2d5a9b5..bf287a0 100644 --- a/drivers/net/i40e/i40e_ethdev_vf.c +++ b/drivers/net/i40e/i40e_ethdev_vf.c @@ -123,6 +123,7 @@ static void i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask); static int i40evf_vlan_pvid_set(struct rte_eth_dev *dev, uint16_t pvid, int on); static void i40evf_dev_close(struct rte_eth_dev *dev); +static int i40evf_dev_reset(struct rte_eth_dev *dev); static void i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev); static void i40evf_dev_promiscuous_disable(struct rte_eth_dev *dev); static void i40evf_dev_allmulticast_enable(struct rte_eth_dev *dev); @@ -204,6 +205,7 @@ static const struct eth_dev_ops i40evf_eth_dev_ops = { .xstats_get_names = i40evf_dev_xstats_get_names, .xstats_reset = i40evf_dev_xstats_reset, .dev_close = i40evf_dev_close, + .dev_reset = i40evf_dev_reset, .dev_infos_get = i40evf_dev_info_get, .dev_supported_ptypes_get = i40e_dev_supported_ptypes_get, .vlan_filter_set = i40evf_vlan_filter_set, @@ -2347,6 +2349,20 @@ i40evf_dev_close(struct rte_eth_dev *dev) } static int +i40evf_dev_reset(struct rte_eth_dev *dev) +{ + int ret; + + ret = i40evf_dev_uninit(dev); + if (ret) + return ret; + + ret = i40evf_dev_init(dev); + + return ret; +} + +static int i40evf_get_rss_lut(struct i40e_vsi *vsi, uint8_t *lut, uint16_t lut_size) { struct i40e_vf *vf = I40E_VSI_TO_VF(vsi); -- 2.7.4