diff options
Diffstat (limited to 'drivers/net/cxgb3/cxgb3_main.c')
-rw-r--r-- | drivers/net/cxgb3/cxgb3_main.c | 44 |
1 files changed, 24 insertions, 20 deletions
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c index 05e5f59e87fa..3a3127216791 100644 --- a/drivers/net/cxgb3/cxgb3_main.c +++ b/drivers/net/cxgb3/cxgb3_main.c @@ -421,6 +421,13 @@ static void init_napi(struct adapter *adap) netif_napi_add(qs->netdev, &qs->napi, qs->napi.poll, 64); } + + /* + * netif_napi_add() can be called only once per napi_struct because it + * adds each new napi_struct to a list. Be careful not to call it a + * second time, e.g., during EEH recovery, by making a note of it. + */ + adap->flags |= NAPI_INIT; } /* @@ -896,7 +903,8 @@ static int cxgb_up(struct adapter *adap) goto out; setup_rss(adap); - init_napi(adap); + if (!(adap->flags & NAPI_INIT)) + init_napi(adap); adap->flags |= FULL_INIT_DONE; } @@ -999,7 +1007,7 @@ static int offload_open(struct net_device *dev) return 0; if (!adap_up && (err = cxgb_up(adapter)) < 0) - return err; + goto out; t3_tp_set_offload_mode(adapter, 1); tdev->lldev = adapter->port[0]; @@ -1061,10 +1069,8 @@ static int cxgb_open(struct net_device *dev) int other_ports = adapter->open_device_map & PORT_MASK; int err; - if (!adapter->open_device_map && (err = cxgb_up(adapter)) < 0) { - quiesce_rx(adapter); + if (!adapter->open_device_map && (err = cxgb_up(adapter)) < 0) return err; - } set_bit(pi->port_id, &adapter->open_device_map); if (is_offload(adapter) && !ofld_disable) { @@ -1894,11 +1900,11 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr) u8 *fw_data; struct ch_mem_range t; - if (!capable(CAP_NET_ADMIN)) + if (!capable(CAP_SYS_RAWIO)) return -EPERM; if (copy_from_user(&t, useraddr, sizeof(t))) return -EFAULT; - + /* Check t.len sanity ? */ fw_data = kmalloc(t.len, GFP_KERNEL); if (!fw_data) return -ENOMEM; @@ -2424,14 +2430,11 @@ static pci_ers_result_t t3_io_error_detected(struct pci_dev *pdev, test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) offload_close(&adapter->tdev); - /* Free sge resources */ - t3_free_sge_resources(adapter); - adapter->flags &= ~FULL_INIT_DONE; pci_disable_device(pdev); - /* Request a slot slot reset. */ + /* Request a slot reset. */ return PCI_ERS_RESULT_NEED_RESET; } @@ -2448,13 +2451,20 @@ static pci_ers_result_t t3_io_slot_reset(struct pci_dev *pdev) if (pci_enable_device(pdev)) { dev_err(&pdev->dev, "Cannot re-enable PCI device after reset.\n"); - return PCI_ERS_RESULT_DISCONNECT; + goto err; } pci_set_master(pdev); + pci_restore_state(pdev); - t3_prep_adapter(adapter, adapter->params.info, 1); + /* Free sge resources */ + t3_free_sge_resources(adapter); + + if (t3_replay_prep_adapter(adapter)) + goto err; return PCI_ERS_RESULT_RECOVERED; +err: + return PCI_ERS_RESULT_DISCONNECT; } /** @@ -2483,13 +2493,6 @@ static void t3_io_resume(struct pci_dev *pdev) netif_device_attach(netdev); } } - - if (is_offload(adapter)) { - __set_bit(OFFLOAD_DEVMAP_BIT, &adapter->registered_device_map); - if (offload_open(adapter->port[0])) - printk(KERN_WARNING - "Could not bring back offload capabilities\n"); - } } static struct pci_error_handlers t3_err_handler = { @@ -2608,6 +2611,7 @@ static int __devinit init_one(struct pci_dev *pdev, } pci_set_master(pdev); + pci_save_state(pdev); mmio_start = pci_resource_start(pdev, 0); mmio_len = pci_resource_len(pdev, 0); |