diff options
Diffstat (limited to 'drivers/net/cxgb4vf/cxgb4vf_main.c')
| -rw-r--r-- | drivers/net/cxgb4vf/cxgb4vf_main.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/net/cxgb4vf/cxgb4vf_main.c b/drivers/net/cxgb4vf/cxgb4vf_main.c index 2be1088ff601..6aad64df4dcb 100644 --- a/drivers/net/cxgb4vf/cxgb4vf_main.c +++ b/drivers/net/cxgb4vf/cxgb4vf_main.c @@ -2862,6 +2862,46 @@ static void __devexit cxgb4vf_pci_remove(struct pci_dev *pdev) } /* + * "Shutdown" quiesce the device, stopping Ingress Packet and Interrupt + * delivery. + */ +static void __devexit cxgb4vf_pci_shutdown(struct pci_dev *pdev) +{ + struct adapter *adapter; + int pidx; + + adapter = pci_get_drvdata(pdev); + if (!adapter) + return; + + /* + * Disable all Virtual Interfaces. This will shut down the + * delivery of all ingress packets into the chip for these + * Virtual Interfaces. + */ + for_each_port(adapter, pidx) { + struct net_device *netdev; + struct port_info *pi; + + if (!test_bit(pidx, &adapter->registered_device_map)) + continue; + + netdev = adapter->port[pidx]; + if (!netdev) + continue; + + pi = netdev_priv(netdev); + t4vf_enable_vi(adapter, pi->viid, false, false); + } + + /* + * Free up all Queues which will prevent further DMA and + * Interrupts allowing various internal pathways to drain. + */ + t4vf_free_sge_resources(adapter); +} + +/* * PCI Device registration data structures. */ #define CH_DEVICE(devid, idx) \ @@ -2894,6 +2934,7 @@ static struct pci_driver cxgb4vf_driver = { .id_table = cxgb4vf_pci_tbl, .probe = cxgb4vf_pci_probe, .remove = __devexit_p(cxgb4vf_pci_remove), + .shutdown = __devexit_p(cxgb4vf_pci_shutdown), }; /* |