diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_main.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 13df4e0f3796..c4a4954aa317 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -7613,6 +7613,27 @@ static void ixgbe_watchdog_flush_tx(struct ixgbe_adapter *adapter) } #ifdef CONFIG_PCI_IOV +static void ixgbe_bad_vf_abort(struct ixgbe_adapter *adapter, u32 vf) +{ + struct ixgbe_hw *hw = &adapter->hw; + + if (adapter->hw.mac.type == ixgbe_mac_82599EB && + adapter->flags2 & IXGBE_FLAG2_AUTO_DISABLE_VF) { + adapter->vfinfo[vf].primary_abort_count++; + if (adapter->vfinfo[vf].primary_abort_count == + IXGBE_PRIMARY_ABORT_LIMIT) { + ixgbe_set_vf_link_state(adapter, vf, + IFLA_VF_LINK_STATE_DISABLE); + adapter->vfinfo[vf].primary_abort_count = 0; + + e_info(drv, + "Malicious Driver Detection event detected on PF %d VF %d MAC: %pM mdd-disable-vf=on", + hw->bus.func, vf, + adapter->vfinfo[vf].vf_mac_addresses); + } + } +} + static void ixgbe_check_for_bad_vf(struct ixgbe_adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; @@ -7644,8 +7665,10 @@ static void ixgbe_check_for_bad_vf(struct ixgbe_adapter *adapter) continue; pci_read_config_word(vfdev, PCI_STATUS, &status_reg); if (status_reg != IXGBE_FAILED_READ_CFG_WORD && - status_reg & PCI_STATUS_REC_MASTER_ABORT) + status_reg & PCI_STATUS_REC_MASTER_ABORT) { + ixgbe_bad_vf_abort(adapter, vf); pcie_flr(vfdev); + } } } @@ -10746,6 +10769,9 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (err) goto err_sw_init; + if (adapter->hw.mac.type == ixgbe_mac_82599EB) + adapter->flags2 |= IXGBE_FLAG2_AUTO_DISABLE_VF; + switch (adapter->hw.mac.type) { case ixgbe_mac_X550: case ixgbe_mac_X550EM_x: |