diff options
| -rw-r--r-- | drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c index faa1be2d7727..912933549dfb 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c @@ -695,8 +695,12 @@ static int pvrdma_del_gid(const struct ib_gid_attr *attr, void **context) } static void pvrdma_netdevice_event_handle(struct pvrdma_dev *dev, + struct net_device *ndev, unsigned long event) { + struct pci_dev *pdev_net; + unsigned int slot; + switch (event) { case NETDEV_REBOOT: case NETDEV_DOWN: @@ -714,6 +718,24 @@ static void pvrdma_netdevice_event_handle(struct pvrdma_dev *dev, else pvrdma_dispatch_event(dev, 1, IB_EVENT_PORT_ACTIVE); break; + case NETDEV_UNREGISTER: + dev_put(dev->netdev); + dev->netdev = NULL; + break; + case NETDEV_REGISTER: + /* vmxnet3 will have same bus, slot. But func will be 0 */ + slot = PCI_SLOT(dev->pdev->devfn); + pdev_net = pci_get_slot(dev->pdev->bus, + PCI_DEVFN(slot, 0)); + if ((dev->netdev == NULL) && + (pci_get_drvdata(pdev_net) == ndev)) { + /* this is our netdev */ + dev->netdev = ndev; + dev_hold(ndev); + } + pci_dev_put(pdev_net); + break; + default: dev_dbg(&dev->pdev->dev, "ignore netdevice event %ld on %s\n", event, dev->ib_dev.name); @@ -730,8 +752,11 @@ static void pvrdma_netdevice_event_work(struct work_struct *work) mutex_lock(&pvrdma_device_list_lock); list_for_each_entry(dev, &pvrdma_device_list, device_link) { - if (dev->netdev == netdev_work->event_netdev) { - pvrdma_netdevice_event_handle(dev, netdev_work->event); + if ((netdev_work->event == NETDEV_REGISTER) || + (dev->netdev == netdev_work->event_netdev)) { + pvrdma_netdevice_event_handle(dev, + netdev_work->event_netdev, + netdev_work->event); break; } } @@ -964,6 +989,7 @@ static int pvrdma_pci_probe(struct pci_dev *pdev, ret = -ENODEV; goto err_free_cq_ring; } + dev_hold(dev->netdev); dev_info(&pdev->dev, "paired device to %s\n", dev->netdev->name); @@ -1036,6 +1062,10 @@ err_free_intrs: pvrdma_free_irq(dev); pci_free_irq_vectors(pdev); err_free_cq_ring: + if (dev->netdev) { + dev_put(dev->netdev); + dev->netdev = NULL; + } pvrdma_page_dir_cleanup(dev, &dev->cq_pdir); err_free_async_ring: pvrdma_page_dir_cleanup(dev, &dev->async_pdir); @@ -1075,6 +1105,11 @@ static void pvrdma_pci_remove(struct pci_dev *pdev) flush_workqueue(event_wq); + if (dev->netdev) { + dev_put(dev->netdev); + dev->netdev = NULL; + } + /* Unregister ib device */ ib_unregister_device(&dev->ib_dev); |