From b394acbb175bd7f0589c3ad495a846fa8a80ac9c Mon Sep 17 00:00:00 2001 From: Chenxu Di Date: Fri, 27 Sep 2019 09:09:44 +0000 Subject: [PATCH] net/e1000: release port upon close Set RTE_ETH_DEV_CLOSE_REMOVE upon probe so all the private resources for the port can be freed by rte_eth_dev_close(). Signed-off-by: Chenxu Di Reviewed-by: Xiaolong Ye Acked-by: Qiming Yang --- doc/guides/rel_notes/release_19_11.rst | 4 + drivers/net/e1000/em_ethdev.c | 33 +++--- drivers/net/e1000/igb_ethdev.c | 144 ++++++++++++------------- 3 files changed, 93 insertions(+), 88 deletions(-) diff --git a/doc/guides/rel_notes/release_19_11.rst b/doc/guides/rel_notes/release_19_11.rst index 45ed1586c7..87c6a657b5 100644 --- a/doc/guides/rel_notes/release_19_11.rst +++ b/doc/guides/rel_notes/release_19_11.rst @@ -62,6 +62,10 @@ New Features Subsystem 3(HNS3) network engine found in the Hisilicon Kunpeng 920 SoC. See the :doc:`../nics/hns3` guide for more details on this new driver. +* **Updated the Intel e1000 driver.** + + Added support for the ``RTE_ETH_DEV_CLOSE_REMOVE`` flag. + * **Updated the Intel ice driver.** Updated the Intel ice driver with new features and improvements, including: diff --git a/drivers/net/e1000/em_ethdev.c b/drivers/net/e1000/em_ethdev.c index 3c2178ad6c..9a88b50b28 100644 --- a/drivers/net/e1000/em_ethdev.c +++ b/drivers/net/e1000/em_ethdev.c @@ -297,6 +297,11 @@ eth_em_dev_init(struct rte_eth_dev *eth_dev) rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.addr, eth_dev->data->mac_addrs); + /* Pass the information to the rte_eth_dev_close() that it should also + * release the private port resources. + */ + eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE; + /* initialize the vfta */ memset(shadow_vfta, 0, sizeof(*shadow_vfta)); @@ -313,27 +318,12 @@ eth_em_dev_init(struct rte_eth_dev *eth_dev) static int eth_em_dev_uninit(struct rte_eth_dev *eth_dev) { - struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); - struct e1000_adapter *adapter = - E1000_DEV_PRIVATE(eth_dev->data->dev_private); - struct rte_intr_handle *intr_handle = &pci_dev->intr_handle; - PMD_INIT_FUNC_TRACE(); if (rte_eal_process_type() != RTE_PROC_PRIMARY) return -EPERM; - if (adapter->stopped == 0) - eth_em_close(eth_dev); - - eth_dev->dev_ops = NULL; - eth_dev->rx_pkt_burst = NULL; - eth_dev->tx_pkt_burst = NULL; - - /* disable uio intr before callback unregister */ - rte_intr_disable(intr_handle); - rte_intr_callback_unregister(intr_handle, - eth_em_interrupt_handler, eth_dev); + eth_em_close(eth_dev); return 0; } @@ -774,6 +764,8 @@ eth_em_close(struct rte_eth_dev *dev) struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private); struct e1000_adapter *adapter = E1000_DEV_PRIVATE(dev->data->dev_private); + struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); + struct rte_intr_handle *intr_handle = &pci_dev->intr_handle; eth_em_stop(dev); adapter->stopped = 1; @@ -781,6 +773,15 @@ eth_em_close(struct rte_eth_dev *dev) e1000_phy_hw_reset(hw); em_release_manageability(hw); em_hw_control_release(hw); + + dev->dev_ops = NULL; + dev->rx_pkt_burst = NULL; + dev->tx_pkt_burst = NULL; + + /* disable uio intr before callback unregister */ + rte_intr_disable(intr_handle); + rte_intr_callback_unregister(intr_handle, + eth_em_interrupt_handler, dev); } static int diff --git a/drivers/net/e1000/igb_ethdev.c b/drivers/net/e1000/igb_ethdev.c index 80f1e13d74..ce7c9e6646 100644 --- a/drivers/net/e1000/igb_ethdev.c +++ b/drivers/net/e1000/igb_ethdev.c @@ -843,6 +843,11 @@ eth_igb_dev_init(struct rte_eth_dev *eth_dev) rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.addr, ð_dev->data->mac_addrs[0]); + /* Pass the information to the rte_eth_dev_close() that it should also + * release the private port resources. + */ + eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE; + /* initialize the vfta */ memset(shadow_vfta, 0, sizeof(*shadow_vfta)); @@ -912,61 +917,12 @@ err_late: static int eth_igb_dev_uninit(struct rte_eth_dev *eth_dev) { - struct rte_pci_device *pci_dev; - struct rte_intr_handle *intr_handle; - struct e1000_hw *hw; - struct e1000_adapter *adapter = - E1000_DEV_PRIVATE(eth_dev->data->dev_private); - struct e1000_filter_info *filter_info = - E1000_DEV_PRIVATE_TO_FILTER_INFO(eth_dev->data->dev_private); - PMD_INIT_FUNC_TRACE(); if (rte_eal_process_type() != RTE_PROC_PRIMARY) return -EPERM; - hw = E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private); - pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); - intr_handle = &pci_dev->intr_handle; - - if (adapter->stopped == 0) - eth_igb_close(eth_dev); - - eth_dev->dev_ops = NULL; - eth_dev->rx_pkt_burst = NULL; - eth_dev->tx_pkt_burst = NULL; - - /* Reset any pending lock */ - igb_reset_swfw_lock(hw); - - /* uninitialize PF if max_vfs not zero */ - igb_pf_host_uninit(eth_dev); - - /* disable uio intr before callback unregister */ - rte_intr_disable(intr_handle); - rte_intr_callback_unregister(intr_handle, - eth_igb_interrupt_handler, eth_dev); - - /* clear the SYN filter info */ - filter_info->syn_info = 0; - - /* clear the ethertype filters info */ - filter_info->ethertype_mask = 0; - memset(filter_info->ethertype_filters, 0, - E1000_MAX_ETQF_FILTERS * sizeof(struct igb_ethertype_filter)); - - /* clear the rss filter info */ - memset(&filter_info->rss_info, 0, - sizeof(struct igb_rte_flow_rss_conf)); - - /* remove all ntuple filters of the device */ - igb_ntuple_filter_uninit(eth_dev); - - /* remove all flex filters of the device */ - igb_flex_filter_uninit(eth_dev); - - /* clear all the filters list */ - igb_filterlist_flush(eth_dev); + eth_igb_close(eth_dev); return 0; } @@ -1038,6 +994,11 @@ eth_igbvf_dev_init(struct rte_eth_dev *eth_dev) return -ENOMEM; } + /* Pass the information to the rte_eth_dev_close() that it should also + * release the private port resources. + */ + eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE; + /* Generate a random MAC address, if none was assigned by PF. */ if (rte_is_zero_ether_addr(perm_addr)) { rte_eth_random_addr(perm_addr->addr_bytes); @@ -1077,27 +1038,12 @@ eth_igbvf_dev_init(struct rte_eth_dev *eth_dev) static int eth_igbvf_dev_uninit(struct rte_eth_dev *eth_dev) { - struct e1000_adapter *adapter = - E1000_DEV_PRIVATE(eth_dev->data->dev_private); - struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); - PMD_INIT_FUNC_TRACE(); if (rte_eal_process_type() != RTE_PROC_PRIMARY) return -EPERM; - if (adapter->stopped == 0) - igbvf_dev_close(eth_dev); - - eth_dev->dev_ops = NULL; - eth_dev->rx_pkt_burst = NULL; - eth_dev->tx_pkt_burst = NULL; - - /* disable uio intr before callback unregister */ - rte_intr_disable(&pci_dev->intr_handle); - rte_intr_callback_unregister(&pci_dev->intr_handle, - eth_igbvf_interrupt_handler, - (void *)eth_dev); + igbvf_dev_close(eth_dev); return 0; } @@ -1506,6 +1452,11 @@ eth_igb_stop(struct rte_eth_dev *dev) struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); struct rte_eth_link link; struct rte_intr_handle *intr_handle = &pci_dev->intr_handle; + struct e1000_adapter *adapter = + E1000_DEV_PRIVATE(dev->data->dev_private); + + if (adapter->stopped) + return; eth_igb_rxtx_control(dev, false); @@ -1547,6 +1498,8 @@ eth_igb_stop(struct rte_eth_dev *dev) rte_free(intr_handle->intr_vec); intr_handle->intr_vec = NULL; } + + adapter->stopped = true; } static int @@ -1579,14 +1532,13 @@ static void eth_igb_close(struct rte_eth_dev *dev) { struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private); - struct e1000_adapter *adapter = - E1000_DEV_PRIVATE(dev->data->dev_private); struct rte_eth_link link; struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); struct rte_intr_handle *intr_handle = &pci_dev->intr_handle; + struct e1000_filter_info *filter_info = + E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private); eth_igb_stop(dev); - adapter->stopped = 1; e1000_phy_hw_reset(hw); igb_release_manageability(hw); @@ -1610,6 +1562,40 @@ eth_igb_close(struct rte_eth_dev *dev) memset(&link, 0, sizeof(link)); rte_eth_linkstatus_set(dev, &link); + + dev->dev_ops = NULL; + dev->rx_pkt_burst = NULL; + dev->tx_pkt_burst = NULL; + + /* Reset any pending lock */ + igb_reset_swfw_lock(hw); + + /* uninitialize PF if max_vfs not zero */ + igb_pf_host_uninit(dev); + + rte_intr_callback_unregister(intr_handle, + eth_igb_interrupt_handler, dev); + + /* clear the SYN filter info */ + filter_info->syn_info = 0; + + /* clear the ethertype filters info */ + filter_info->ethertype_mask = 0; + memset(filter_info->ethertype_filters, 0, + E1000_MAX_ETQF_FILTERS * sizeof(struct igb_ethertype_filter)); + + /* clear the rss filter info */ + memset(&filter_info->rss_info, 0, + sizeof(struct igb_rte_flow_rss_conf)); + + /* remove all ntuple filters of the device */ + igb_ntuple_filter_uninit(dev); + + /* remove all flex filters of the device */ + igb_flex_filter_uninit(dev); + + /* clear all the filters list */ + igb_filterlist_flush(dev); } /* @@ -3354,6 +3340,11 @@ igbvf_dev_stop(struct rte_eth_dev *dev) { struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); struct rte_intr_handle *intr_handle = &pci_dev->intr_handle; + struct e1000_adapter *adapter = + E1000_DEV_PRIVATE(dev->data->dev_private); + + if (adapter->stopped) + return; PMD_INIT_FUNC_TRACE(); @@ -3376,22 +3367,23 @@ igbvf_dev_stop(struct rte_eth_dev *dev) rte_free(intr_handle->intr_vec); intr_handle->intr_vec = NULL; } + + adapter->stopped = true; } static void igbvf_dev_close(struct rte_eth_dev *dev) { struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private); - struct e1000_adapter *adapter = - E1000_DEV_PRIVATE(dev->data->dev_private); struct rte_ether_addr addr; + struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); PMD_INIT_FUNC_TRACE(); e1000_reset_hw(hw); igbvf_dev_stop(dev); - adapter->stopped = 1; + igb_dev_free_queues(dev); /** @@ -3402,6 +3394,14 @@ igbvf_dev_close(struct rte_eth_dev *dev) memset(&addr, 0, sizeof(addr)); igbvf_default_mac_addr_set(dev, &addr); + + dev->dev_ops = NULL; + dev->rx_pkt_burst = NULL; + dev->tx_pkt_burst = NULL; + + rte_intr_callback_unregister(&pci_dev->intr_handle, + eth_igbvf_interrupt_handler, + (void *)dev); } static int -- 2.20.1