static irqreturn_t netxen_intr(int irq, void *data);
static irqreturn_t netxen_msi_intr(int irq, void *data);
-int physical_port[] = {0, 1, 2, 3};
-
/* PCI Device ID Table */
static struct pci_device_id netxen_pci_tbl[] __devinitdata = {
- {PCI_DEVICE(0x4040, 0x0001)},
- {PCI_DEVICE(0x4040, 0x0002)},
- {PCI_DEVICE(0x4040, 0x0003)},
- {PCI_DEVICE(0x4040, 0x0004)},
- {PCI_DEVICE(0x4040, 0x0005)},
- {PCI_DEVICE(0x4040, 0x0024)},
- {PCI_DEVICE(0x4040, 0x0025)},
+ {PCI_DEVICE(0x4040, 0x0001), PCI_DEVICE_CLASS(0x020000, ~0)},
+ {PCI_DEVICE(0x4040, 0x0002), PCI_DEVICE_CLASS(0x020000, ~0)},
+ {PCI_DEVICE(0x4040, 0x0003), PCI_DEVICE_CLASS(0x020000, ~0)},
+ {PCI_DEVICE(0x4040, 0x0004), PCI_DEVICE_CLASS(0x020000, ~0)},
+ {PCI_DEVICE(0x4040, 0x0005), PCI_DEVICE_CLASS(0x020000, ~0)},
+ {PCI_DEVICE(0x4040, 0x0024), PCI_DEVICE_CLASS(0x020000, ~0)},
+ {PCI_DEVICE(0x4040, 0x0025), PCI_DEVICE_CLASS(0x020000, ~0)},
{0,}
};
MODULE_DEVICE_TABLE(pci, netxen_pci_tbl);
-struct workqueue_struct *netxen_workq;
+/*
+ * In netxen_nic_down(), we must wait for any pending callback requests into
+ * netxen_watchdog_task() to complete; eg otherwise the watchdog_timer could be
+ * reenabled right after it is deleted in netxen_nic_down().
+ * FLUSH_SCHEDULED_WORK() does this synchronization.
+ *
+ * Normally, schedule_work()/flush_scheduled_work() could have worked, but
+ * netxen_nic_close() is invoked with kernel rtnl lock held. netif_carrier_off()
+ * call in netxen_nic_close() triggers a schedule_work(&linkwatch_work), and a
+ * subsequent call to flush_scheduled_work() in netxen_nic_down() would cause
+ * linkwatch_event() to be executed which also attempts to acquire the rtnl
+ * lock thus causing a deadlock.
+ */
+
+static struct workqueue_struct *netxen_workq;
+#define SCHEDULE_WORK(tp) queue_work(netxen_workq, tp)
+#define FLUSH_SCHEDULED_WORK() flush_workqueue(netxen_workq)
+
static void netxen_watchdog(unsigned long);
static void netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
int port = adapter->portnum;
int pci_fn = adapter->ahw.pci_func;
- if (adapter->msi_mode != MSI_MODE_MULTIFUNC) {
+ if (adapter->msi_mode != MSI_MODE_MULTIFUNC)
writel(0x0, NETXEN_CRB_NORMALIZE(adapter, sw_int_mask[port]));
- }
if (adapter->intr_scheme != -1 &&
adapter->intr_scheme != INTR_SCHEME_PERPORT)
int pci_func_id = PCI_FUNC(pdev->devfn);
DECLARE_MAC_BUF(mac);
- printk(KERN_INFO "%s \n", netxen_nic_driver_string);
+ if (pci_func_id == 0)
+ printk(KERN_INFO "%s \n", netxen_nic_driver_string);
if (pdev->class != 0x020000) {
- printk(KERN_ERR"NetXen function %d, class %x will not "
+ printk(KERN_DEBUG "NetXen function %d, class %x will not "
"be enabled.\n",pci_func_id, pdev->class);
return -ENODEV;
}
*/
adapter->curr_window = 255;
- /* initialize the adapter */
- netxen_initialize_adapter_hw(adapter);
+ if (netxen_nic_get_board_info(adapter) != 0) {
+ printk("%s: Error getting board config info.\n",
+ netxen_nic_driver_name);
+ err = -EIO;
+ goto err_out_iounmap;
+ }
/*
* Adapter in our case is quad port so initialize it before
netxen_initialize_adapter_sw(adapter); /* initialize the buffers in adapter */
/* Mezz cards have PCI function 0,2,3 enabled */
- if ((adapter->ahw.boardcfg.board_type == NETXEN_BRDTYPE_P2_SB31_10G_IMEZ)
- && (pci_func_id >= 2))
+ switch (adapter->ahw.boardcfg.board_type) {
+ case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
+ case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
+ if (pci_func_id >= 2)
adapter->portnum = pci_func_id - 2;
+ break;
+ default:
+ break;
+ }
#ifdef CONFIG_IA64
if(adapter->portnum == 0) {
/* clear the register for future unloads/loads */
writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_CAM_RAM(0x1fc)));
- printk(KERN_INFO "State: 0x%0x\n",
+ printk(KERN_DEBUG "State: 0x%0x\n",
readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE)));
/*
/*
* See if the firmware gave us a virtual-physical port mapping.
*/
+ adapter->physical_port = adapter->portnum;
i = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_V2P(adapter->portnum)));
if (i != 0x55555555)
- physical_port[adapter->portnum] = i;
+ adapter->physical_port = i;
netif_carrier_off(netdev);
netif_stop_queue(netdev);
goto err_out_free_dev;
}
+ netxen_nic_flash_print(adapter);
pci_set_drvdata(pdev, adapter);
- switch (adapter->ahw.board_type) {
- case NETXEN_NIC_GBE:
- printk(KERN_INFO "%s: QUAD GbE board initialized\n",
- netxen_nic_driver_name);
- break;
-
- case NETXEN_NIC_XGBE:
- printk(KERN_INFO "%s: XGbE board initialized\n",
- netxen_nic_driver_name);
- break;
- }
-
- adapter->driver_mismatch = 0;
-
return 0;
err_out_free_dev:
/* clear the register for future unloads/loads */
writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_CAM_RAM(0x1fc)));
- printk(KERN_INFO "State: 0x%0x\n",
- readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE)));
-
/* leave the hw in the same state as reboot */
writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
netxen_pinit_from_rom(adapter, 0);
/* clear the register for future unloads/loads */
writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_CAM_RAM(0x1fc)));
- printk(KERN_INFO "State: 0x%0x\n",
+ printk(KERN_DEBUG "State: 0x%0x\n",
readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE)));
i = 100;
irq_handler_t handler;
unsigned long flags = IRQF_SAMPLE_RANDOM;
+ if (adapter->driver_mismatch)
+ return -EIO;
+
if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) {
err = netxen_init_firmware(adapter);
if (err != 0) {
printk(KERN_ERR "Failed to init firmware\n");
return -EIO;
}
- netxen_nic_flash_print(adapter);
/* setup all the resources for the Phantom... */
/* this include the descriptors for rcv, tx, and status */
if (adapter->set_mtu)
adapter->set_mtu(adapter, netdev->mtu);
- if (!adapter->driver_mismatch)
- mod_timer(&adapter->watchdog_timer, jiffies);
+ mod_timer(&adapter->watchdog_timer, jiffies);
napi_enable(&adapter->napi);
netxen_nic_enable_int(adapter);
- if (!adapter->driver_mismatch)
- netif_start_queue(netdev);
+ netif_start_queue(netdev);
return 0;
}
projects / linux-2.6 / blobdiff