tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 8cf05d37849321b8bb9b74e099fa5bb6164d4f56 commit: a5961b4bc6ce09a70902686ecc848a47493a9251 [2858/2858] openeuler: net: ngbe: add ngbe module support config: x86_64-randconfig-161-20250411 (https://download.01.org/0day-ci/archive/20250412/202504120007.4O7NSSul-lkp@i...) compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202504120007.4O7NSSul-lkp@intel.com/ New smatch warnings: drivers/net/ethernet/netswift/ngbe/ngbe_main.c:6835 ngbe_io_error_detected() warn: inconsistent indenting Old smatch warnings: drivers/net/ethernet/netswift/ngbe/ngbe_main.c:1850 ngbe_request_msix_irqs() warn: 'entry->vector' from request_irq() not released on lines: 1850. drivers/net/ethernet/netswift/ngbe/ngbe_main.c:3931 ngbe_setup_all_rx_resources() warn: inconsistent indenting drivers/net/ethernet/netswift/ngbe/ngbe_main.c:5084 ngbe_reset_subtask() warn: inconsistent indenting drivers/net/ethernet/netswift/ngbe/ngbe_main.c:5313 ngbe_tso() warn: inconsistent indenting vim +6835 drivers/net/ethernet/netswift/ngbe/ngbe_main.c 6819 6820 /** 6821 * ngbe_io_error_detected - called when PCI error is detected 6822 * @pdev: Pointer to PCI device 6823 * @state: The current pci connection state 6824 * 6825 * This function is called after a PCI bus error affecting 6826 * this device has been detected. 6827 */ 6828 static pci_ers_result_t ngbe_io_error_detected(struct pci_dev *pdev, 6829 pci_channel_state_t state) 6830 { 6831 struct ngbe_adapter *adapter = pci_get_drvdata(pdev); 6832 struct net_device *netdev = adapter->netdev; 6833 6834 #ifdef CONFIG_PCI_IOV
6835 struct ngbe_hw *hw = &adapter->hw; 6836 struct pci_dev *bdev, *vfdev; 6837 u32 dw0, dw1, dw2, dw3; 6838 int vf, pos; 6839 u16 req_id, pf_func; 6840 6841 if (adapter->num_vfs == 0) 6842 goto skip_bad_vf_detection; 6843 6844 bdev = pdev->bus->self; 6845 while (bdev && (pci_pcie_type(bdev) != PCI_EXP_TYPE_ROOT_PORT)) 6846 bdev = bdev->bus->self; 6847 6848 if (!bdev) 6849 goto skip_bad_vf_detection; 6850 6851 pos = pci_find_ext_capability(bdev, PCI_EXT_CAP_ID_ERR); 6852 if (!pos) 6853 goto skip_bad_vf_detection; 6854 6855 dw0 = ngbe_read_pci_cfg_dword(hw, pos + PCI_ERR_HEADER_LOG); 6856 dw1 = ngbe_read_pci_cfg_dword(hw, 6857 pos + PCI_ERR_HEADER_LOG + 4); 6858 dw2 = ngbe_read_pci_cfg_dword(hw, 6859 pos + PCI_ERR_HEADER_LOG + 8); 6860 dw3 = ngbe_read_pci_cfg_dword(hw, 6861 pos + PCI_ERR_HEADER_LOG + 12); 6862 if (NGBE_REMOVED(hw->hw_addr)) 6863 goto skip_bad_vf_detection; 6864 6865 req_id = dw1 >> 16; 6866 /* if bit 7 of the requestor ID is set then it's a VF */ 6867 if (!(req_id & 0x0080)) 6868 goto skip_bad_vf_detection; 6869 6870 pf_func = req_id & 0x01; 6871 if ((pf_func & 1) == (pdev->devfn & 1)) { 6872 vf = (req_id & 0x7F) >> 1; 6873 e_dev_err("VF %d has caused a PCIe error\n", vf); 6874 e_dev_err("TLP: dw0: %8.8x\tdw1: %8.8x\tdw2: %8.8x\tdw3: %8.8x\n", 6875 dw0, dw1, dw2, dw3); 6876 6877 /* Find the pci device of the offending VF */ 6878 vfdev = pci_get_device(PCI_VENDOR_ID_TRUSTNETIC, 6879 NGBE_VF_DEVICE_ID, NULL); 6880 while (vfdev) { 6881 if (vfdev->devfn == (req_id & 0xFF)) 6882 break; 6883 vfdev = pci_get_device(PCI_VENDOR_ID_TRUSTNETIC, 6884 NGBE_VF_DEVICE_ID, vfdev); 6885 } 6886 /* There's a slim chance the VF could have been hot 6887 * plugged, so if it is no longer present we don't need 6888 * to issue the VFLR.Just clean up the AER in that case. 6889 */ 6890 if (vfdev) { 6891 ngbe_issue_vf_flr(adapter, vfdev); 6892 /* Free device reference count */ 6893 pci_dev_put(vfdev); 6894 } 6895 6896 pci_aer_clear_nonfatal_status(pdev); 6897 } 6898 6899 /* Even though the error may have occurred on the other port 6900 * we still need to increment the vf error reference count for 6901 * both ports because the I/O resume function will be called 6902 * for both of them. 6903 */ 6904 adapter->vferr_refcount++; 6905 6906 return PCI_ERS_RESULT_RECOVERED; 6907 6908 skip_bad_vf_detection: 6909 #endif /* CONFIG_PCI_IOV */ 6910 6911 if (!test_bit(__NGBE_SERVICE_INITED, &adapter->state)) 6912 return PCI_ERS_RESULT_DISCONNECT; 6913 6914 rtnl_lock(); 6915 netif_device_detach(netdev); 6916 6917 if (state == pci_channel_io_perm_failure) { 6918 rtnl_unlock(); 6919 return PCI_ERS_RESULT_DISCONNECT; 6920 } 6921 6922 if (netif_running(netdev)) 6923 ngbe_close(netdev); 6924 6925 if (!test_and_set_bit(__NGBE_DISABLED, &adapter->state)) 6926 pci_disable_device(pdev); 6927 rtnl_unlock(); 6928 6929 /* Request a slot reset. */ 6930 return PCI_ERS_RESULT_NEED_RESET; 6931 } 6932
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