From: Chenxu Di Date: Fri, 27 Sep 2019 09:09:46 +0000 (+0000) Subject: net/i40e: release port upon close X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=ac89d46096d5dcf34fc112b7b762d66a0ca0dd14;p=dpdk.git net/i40e: 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 --- diff --git a/doc/guides/rel_notes/release_19_11.rst b/doc/guides/rel_notes/release_19_11.rst index 1b3c4171ba..ca93f9d397 100644 --- a/doc/guides/rel_notes/release_19_11.rst +++ b/doc/guides/rel_notes/release_19_11.rst @@ -66,6 +66,10 @@ New Features Added support for the ``RTE_ETH_DEV_CLOSE_REMOVE`` flag. +* **Updated the Intel i40e driver.** + + Added support for the ``RTE_ETH_DEV_CLOSE_REMOVE`` flag. + * **Updated the Intel fm10k driver.** Added support for the ``RTE_ETH_DEV_CLOSE_REMOVE`` flag. diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index 76cd9f510a..c145e6407e 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -1590,6 +1590,11 @@ eth_i40e_dev_init(struct rte_eth_dev *dev, void *init_params __rte_unused) rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.perm_addr, &dev->data->mac_addrs[0]); + /* Pass the information to the rte_eth_dev_close() that it should also + * release the private port resources. + */ + dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE; + /* Init dcb to sw mode by default */ ret = i40e_dcb_init_configure(dev, TRUE); if (ret != I40E_SUCCESS) { @@ -1759,85 +1764,18 @@ void i40e_flex_payload_reg_set_default(struct i40e_hw *hw) static int eth_i40e_dev_uninit(struct rte_eth_dev *dev) { - struct i40e_pf *pf; - struct rte_pci_device *pci_dev; - struct rte_intr_handle *intr_handle; struct i40e_hw *hw; - struct i40e_filter_control_settings settings; - struct rte_flow *p_flow; - int ret; - uint8_t aq_fail = 0; - int retries = 0; PMD_INIT_FUNC_TRACE(); if (rte_eal_process_type() != RTE_PROC_PRIMARY) return 0; - pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); - pci_dev = RTE_ETH_DEV_TO_PCI(dev); - intr_handle = &pci_dev->intr_handle; - - ret = rte_eth_switch_domain_free(pf->switch_domain_id); - if (ret) - PMD_INIT_LOG(WARNING, "failed to free switch domain: %d", ret); if (hw->adapter_closed == 0) i40e_dev_close(dev); - dev->dev_ops = NULL; - dev->rx_pkt_burst = NULL; - dev->tx_pkt_burst = NULL; - - /* Clear PXE mode */ - i40e_clear_pxe_mode(hw); - - /* Unconfigure filter control */ - memset(&settings, 0, sizeof(settings)); - ret = i40e_set_filter_control(hw, &settings); - if (ret) - PMD_INIT_LOG(WARNING, "setup_pf_filter_control failed: %d", - ret); - - /* Disable flow control */ - hw->fc.requested_mode = I40E_FC_NONE; - i40e_set_fc(hw, &aq_fail, TRUE); - - /* uninitialize pf host driver */ - i40e_pf_host_uninit(dev); - - /* disable uio intr before callback unregister */ - rte_intr_disable(intr_handle); - - /* unregister callback func to eal lib */ - do { - ret = rte_intr_callback_unregister(intr_handle, - i40e_dev_interrupt_handler, dev); - if (ret >= 0) { - break; - } else if (ret != -EAGAIN) { - PMD_INIT_LOG(ERR, - "intr callback unregister failed: %d", - ret); - return ret; - } - i40e_msec_delay(500); - } while (retries++ < 5); - - i40e_rm_ethtype_filter_list(pf); - i40e_rm_tunnel_filter_list(pf); - i40e_rm_fdir_filter_list(pf); - - /* Remove all flows */ - while ((p_flow = TAILQ_FIRST(&pf->flow_list))) { - TAILQ_REMOVE(&pf->flow_list, p_flow, node); - rte_free(p_flow); - } - - /* Remove all Traffic Manager configuration */ - i40e_tm_conf_uninit(dev); - return 0; } @@ -2535,12 +2473,21 @@ i40e_dev_close(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 i40e_mirror_rule *p_mirror; + struct i40e_filter_control_settings settings; + struct rte_flow *p_flow; uint32_t reg; int i; int ret; + uint8_t aq_fail = 0; + int retries = 0; PMD_INIT_FUNC_TRACE(); + ret = rte_eth_switch_domain_free(pf->switch_domain_id); + if (ret) + PMD_INIT_LOG(WARNING, "failed to free switch domain: %d", ret); + + i40e_dev_stop(dev); /* Remove all mirror rules */ @@ -2605,6 +2552,53 @@ i40e_dev_close(struct rte_eth_dev *dev) (reg | I40E_PFGEN_CTRL_PFSWR_MASK)); I40E_WRITE_FLUSH(hw); + dev->dev_ops = NULL; + dev->rx_pkt_burst = NULL; + dev->tx_pkt_burst = NULL; + + /* Clear PXE mode */ + i40e_clear_pxe_mode(hw); + + /* Unconfigure filter control */ + memset(&settings, 0, sizeof(settings)); + ret = i40e_set_filter_control(hw, &settings); + if (ret) + PMD_INIT_LOG(WARNING, "setup_pf_filter_control failed: %d", + ret); + + /* Disable flow control */ + hw->fc.requested_mode = I40E_FC_NONE; + i40e_set_fc(hw, &aq_fail, TRUE); + + /* uninitialize pf host driver */ + i40e_pf_host_uninit(dev); + + do { + ret = rte_intr_callback_unregister(intr_handle, + i40e_dev_interrupt_handler, dev); + if (ret >= 0) { + break; + } else if (ret != -EAGAIN) { + PMD_INIT_LOG(ERR, + "intr callback unregister failed: %d", + ret); + } + i40e_msec_delay(500); + } while (retries++ < 5); + + i40e_rm_ethtype_filter_list(pf); + i40e_rm_tunnel_filter_list(pf); + i40e_rm_fdir_filter_list(pf); + + /* Remove all flows */ + while ((p_flow = TAILQ_FIRST(&pf->flow_list))) { + TAILQ_REMOVE(&pf->flow_list, p_flow, node); + rte_free(p_flow); + } + + /* Remove all Traffic Manager configuration */ + i40e_tm_conf_uninit(dev); + hw->adapter_closed = 1; } diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c index ddbaaea04a..7ffb111b88 100644 --- a/drivers/net/i40e/i40e_ethdev_vf.c +++ b/drivers/net/i40e/i40e_ethdev_vf.c @@ -1312,17 +1312,12 @@ err: static int i40evf_uninit_vf(struct rte_eth_dev *dev) { - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); PMD_INIT_FUNC_TRACE(); if (hw->adapter_closed == 0) i40evf_dev_close(dev); - rte_free(vf->vf_res); - vf->vf_res = NULL; - rte_free(vf->aq_resp); - vf->aq_resp = NULL; return 0; } @@ -1500,6 +1495,11 @@ i40evf_dev_init(struct rte_eth_dev *eth_dev) hw->adapter_stopped = 0; hw->adapter_closed = 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; + if(i40evf_init_vf(eth_dev) != 0) { PMD_INIT_LOG(ERR, "Init vf failed"); return -1; @@ -1536,10 +1536,6 @@ i40evf_dev_uninit(struct rte_eth_dev *eth_dev) if (rte_eal_process_type() != RTE_PROC_PRIMARY) return -EPERM; - eth_dev->dev_ops = NULL; - eth_dev->rx_pkt_burst = NULL; - eth_dev->tx_pkt_burst = NULL; - if (i40evf_uninit_vf(eth_dev) != 0) { PMD_INIT_LOG(ERR, "i40evf_uninit_vf failed"); return -1; @@ -2344,6 +2340,7 @@ static void i40evf_dev_close(struct rte_eth_dev *dev) { struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); + struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); i40evf_dev_stop(dev); i40e_dev_free_queues(dev); @@ -2359,6 +2356,16 @@ i40evf_dev_close(struct rte_eth_dev *dev) i40evf_reset_vf(dev); i40e_shutdown_adminq(hw); i40evf_disable_irq0(hw); + + dev->dev_ops = NULL; + dev->rx_pkt_burst = NULL; + dev->tx_pkt_burst = NULL; + + rte_free(vf->vf_res); + vf->vf_res = NULL; + rte_free(vf->aq_resp); + vf->aq_resp = NULL; + hw->adapter_closed = 1; }