From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Dai Subject: [PATCH v5 2/4] net/ixgbe: add support of reset Date: Fri, 30 Jun 2017 18:12:34 +0800 Message-ID: <1498817556-64379-3-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> Cc: dev@dpdk.org, 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 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id E40575699 for ; Fri, 30 Jun 2017 12:22:50 +0200 (CEST) In-Reply-To: <1498817556-64379-1-git-send-email-wei.dai@intel.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Reset a NIC by calling dev_uninit and then dev_init. Go through 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/ixgbe/ixgbe_ethdev.c | 42 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c index ebc5467..e2f1da0 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.c +++ b/drivers/net/ixgbe/ixgbe_ethdev.c @@ -170,6 +170,7 @@ static void ixgbe_dev_stop(struct rte_eth_dev *dev); static int ixgbe_dev_set_link_up(struct rte_eth_dev *dev); static int ixgbe_dev_set_link_down(struct rte_eth_dev *dev); static void ixgbe_dev_close(struct rte_eth_dev *dev); +static int ixgbe_dev_reset(struct rte_eth_dev *dev); static void ixgbe_dev_promiscuous_enable(struct rte_eth_dev *dev); static void ixgbe_dev_promiscuous_disable(struct rte_eth_dev *dev); static void ixgbe_dev_allmulticast_enable(struct rte_eth_dev *dev); @@ -264,6 +265,7 @@ static int ixgbevf_dev_configure(struct rte_eth_dev *dev); static int ixgbevf_dev_start(struct rte_eth_dev *dev); static void ixgbevf_dev_stop(struct rte_eth_dev *dev); static void ixgbevf_dev_close(struct rte_eth_dev *dev); +static int ixgbevf_dev_reset(struct rte_eth_dev *dev); static void ixgbevf_intr_disable(struct ixgbe_hw *hw); static void ixgbevf_intr_enable(struct ixgbe_hw *hw); static void ixgbevf_dev_stats_get(struct rte_eth_dev *dev, @@ -525,6 +527,7 @@ static const struct eth_dev_ops ixgbe_eth_dev_ops = { .dev_set_link_up = ixgbe_dev_set_link_up, .dev_set_link_down = ixgbe_dev_set_link_down, .dev_close = ixgbe_dev_close, + .dev_reset = ixgbe_dev_reset, .promiscuous_enable = ixgbe_dev_promiscuous_enable, .promiscuous_disable = ixgbe_dev_promiscuous_disable, .allmulticast_enable = ixgbe_dev_allmulticast_enable, @@ -614,6 +617,7 @@ static const struct eth_dev_ops ixgbevf_eth_dev_ops = { .xstats_reset = ixgbevf_dev_stats_reset, .xstats_get_names = ixgbevf_dev_xstats_get_names, .dev_close = ixgbevf_dev_close, + .dev_reset = ixgbevf_dev_reset, .allmulticast_enable = ixgbevf_dev_allmulticast_enable, .allmulticast_disable = ixgbevf_dev_allmulticast_disable, .dev_infos_get = ixgbevf_dev_info_get, @@ -2838,6 +2842,27 @@ ixgbe_dev_close(struct rte_eth_dev *dev) ixgbe_set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV); } +/* + * Reest PF device. + */ +static int +ixgbe_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_ixgbe_dev_uninit(dev); + if (ret) + return ret; + + ret = eth_ixgbe_dev_init(dev); + + return ret; +} + static void ixgbe_read_stats_registers(struct ixgbe_hw *hw, struct ixgbe_hw_stats *hw_stats, @@ -4902,6 +4927,23 @@ ixgbevf_dev_close(struct rte_eth_dev *dev) ixgbevf_remove_mac_addr(dev, 0); } +/* + * Reset VF device + */ +static int +ixgbevf_dev_reset(struct rte_eth_dev *dev) +{ + int ret; + + ret = eth_ixgbevf_dev_uninit(dev); + if (ret) + return ret; + + ret = eth_ixgbevf_dev_init(dev); + + return ret; +} + static void ixgbevf_set_vfta_all(struct rte_eth_dev *dev, bool on) { struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); -- 2.7.4