static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG;
-static void netxen_nic_disable_int(struct netxen_adapter *adapter)
+static inline void netxen_nic_disable_int(struct netxen_adapter *adapter)
{
- u32 mask = 0x7ff;
- int retries = 32;
- int pci_fn = adapter->ahw.pci_func;
-
- if (adapter->msi_mode != MSI_MODE_MULTIFUNC)
- adapter->pci_write_normalize(adapter,
- adapter->crb_intr_mask, 0);
-
- if (adapter->intr_scheme != -1 &&
- adapter->intr_scheme != INTR_SCHEME_PERPORT)
- adapter->pci_write_immediate(adapter, ISR_INT_MASK, mask);
-
- if (!NETXEN_IS_MSI_FAMILY(adapter)) {
- do {
- adapter->pci_write_immediate(adapter,
- adapter->legacy_intr.tgt_status_reg,
- 0xffffffff);
- mask = adapter->pci_read_immediate(adapter,
- ISR_INT_VECTOR);
- if (!(mask & 0x80))
- break;
- udelay(10);
- } while (--retries);
-
- if (!retries) {
- printk(KERN_NOTICE "%s: Failed to disable interrupt\n",
- netxen_nic_driver_name);
- }
- } else {
- if (adapter->msi_mode == MSI_MODE_MULTIFUNC) {
- adapter->pci_write_immediate(adapter,
- msi_tgt_status[pci_fn], 0xffffffff);
- }
- }
+ adapter->pci_write_normalize(adapter, adapter->crb_intr_mask, 0);
}
-static void netxen_nic_enable_int(struct netxen_adapter *adapter)
+static inline void netxen_nic_enable_int(struct netxen_adapter *adapter)
{
- u32 mask;
-
- if (adapter->intr_scheme != -1 &&
- adapter->intr_scheme != INTR_SCHEME_PERPORT) {
- switch (adapter->ahw.board_type) {
- case NETXEN_NIC_GBE:
- mask = 0x77b;
- break;
- case NETXEN_NIC_XGBE:
- mask = 0x77f;
- break;
- default:
- mask = 0x7ff;
- break;
- }
-
- adapter->pci_write_immediate(adapter, ISR_INT_MASK, mask);
- }
-
adapter->pci_write_normalize(adapter, adapter->crb_intr_mask, 0x1);
- if (!NETXEN_IS_MSI_FAMILY(adapter)) {
- mask = 0xbff;
- if (adapter->intr_scheme == INTR_SCHEME_PERPORT)
- adapter->pci_write_immediate(adapter,
- adapter->legacy_intr.tgt_mask_reg, mask);
- else
- adapter->pci_write_normalize(adapter,
- CRB_INT_VECTOR, 0);
- }
+ if (!NETXEN_IS_MSI_FAMILY(adapter))
+ adapter->pci_write_immediate(adapter,
+ adapter->legacy_intr.tgt_mask_reg, 0xfbff);
}
static int nx_set_dma_mask(struct netxen_adapter *adapter, uint8_t revision_id)
adapter->msix_entries[i].entry = i;
}
+static int
+netxen_read_mac_addr(struct netxen_adapter *adapter)
+{
+ int i;
+ unsigned char *p;
+ __le64 mac_addr;
+ DECLARE_MAC_BUF(mac);
+ struct net_device *netdev = adapter->netdev;
+ struct pci_dev *pdev = adapter->pdev;
+
+ if (netxen_is_flash_supported(adapter) != 0)
+ return -EIO;
+
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+ if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0)
+ return -EIO;
+ } else {
+ if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0)
+ return -EIO;
+ }
+
+ p = (unsigned char *)&mac_addr;
+ for (i = 0; i < 6; i++)
+ netdev->dev_addr[i] = *(p + 5 - i);
+
+ memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
+
+ /* set station address */
+
+ if (!is_valid_ether_addr(netdev->perm_addr)) {
+ dev_warn(&pdev->dev, "Bad MAC address %s.\n",
+ print_mac(mac, netdev->dev_addr));
+ } else
+ adapter->macaddr_set(adapter, netdev->dev_addr);
+
+ return 0;
+}
+
/*
* netxen_nic_probe()
*
unsigned long mem_base, mem_len, db_base, db_len, pci_len0 = 0;
int i = 0, err;
int first_driver, first_boot;
- __le64 mac_addr[FLASH_NUM_PORTS + 1];
u32 val;
int pci_func_id = PCI_FUNC(pdev->devfn);
- DECLARE_MAC_BUF(mac);
struct netxen_legacy_intr_set *legacy_intrp;
uint8_t revision_id;
return -ENODEV;
}
+ if (pdev->revision >= NX_P3_A0 && pdev->revision < NX_P3_B1) {
+ printk(KERN_WARNING "NetXen chip revisions between 0x%x-0x%x"
+ "will not be enabled.\n",
+ NX_P3_A0, NX_P3_B1);
+ return -ENODEV;
+ }
+
if ((err = pci_enable_device(pdev)))
return err;
goto err_out_disable_msi;
init_timer(&adapter->watchdog_timer);
- adapter->ahw.linkup = 0;
adapter->watchdog_timer.function = &netxen_watchdog;
adapter->watchdog_timer.data = (unsigned long)adapter;
INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task);
INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
- if (netxen_is_flash_supported(adapter) == 0 &&
- netxen_get_flash_mac_addr(adapter, mac_addr) == 0) {
- unsigned char *p;
-
- p = (unsigned char *)&mac_addr[adapter->portnum];
- netdev->dev_addr[0] = *(p + 5);
- netdev->dev_addr[1] = *(p + 4);
- netdev->dev_addr[2] = *(p + 3);
- netdev->dev_addr[3] = *(p + 2);
- netdev->dev_addr[4] = *(p + 1);
- netdev->dev_addr[5] = *(p + 0);
-
- memcpy(netdev->perm_addr, netdev->dev_addr,
- netdev->addr_len);
- if (!is_valid_ether_addr(netdev->perm_addr)) {
- printk(KERN_ERR "%s: Bad MAC address %s.\n",
- netxen_nic_driver_name,
- print_mac(mac, netdev->dev_addr));
- } else {
- adapter->macaddr_set(adapter, netdev->dev_addr);
- }
- }
+ err = netxen_read_mac_addr(adapter);
+ if (err)
+ dev_warn(&pdev->dev, "failed to read mac addr\n");
netif_carrier_off(netdev);
netif_stop_queue(netdev);
if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
netxen_free_hw_resources(adapter);
+ netxen_release_rx_buffers(adapter);
netxen_free_sw_resources(adapter);
}
goto err_out_free_sw;
}
+ if ((adapter->msi_mode != MSI_MODE_MULTIFUNC) ||
+ (adapter->intr_scheme != INTR_SCHEME_PERPORT)) {
+ printk(KERN_ERR "%s: Firmware interrupt scheme is "
+ "incompatible with driver\n",
+ netdev->name);
+ adapter->driver_mismatch = 1;
+ goto err_out_free_hw;
+ }
+
if (adapter->fw_major < 4) {
adapter->crb_addr_cmd_producer =
crb_cmd_producer[adapter->portnum];
flags, netdev->name, adapter);
if (err) {
printk(KERN_ERR "request_irq failed with: %d\n", err);
- goto err_out_free_hw;
+ goto err_out_free_rxbuf;
}
adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
if (adapter->set_mtu)
adapter->set_mtu(adapter, netdev->mtu);
+ adapter->ahw.linkup = 0;
mod_timer(&adapter->watchdog_timer, jiffies);
napi_enable(&adapter->napi);
err_out_free_irq:
free_irq(adapter->irq, adapter);
+err_out_free_rxbuf:
+ netxen_release_rx_buffers(adapter);
err_out_free_hw:
netxen_free_hw_resources(adapter);
err_out_free_sw:
netxen_release_tx_buffers(adapter);
- if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
- FLUSH_SCHEDULED_WORK();
- del_timer_sync(&adapter->watchdog_timer);
- }
+ FLUSH_SCHEDULED_WORK();
+ del_timer_sync(&adapter->watchdog_timer);
return 0;
}
netxen_nic_handle_phy_intr(adapter);
- mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
+ if (netif_running(adapter->netdev))
+ mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
}
static void netxen_tx_timeout(struct net_device *netdev)
return stats;
}
-static inline void
-netxen_handle_int(struct netxen_adapter *adapter)
-{
- netxen_nic_disable_int(adapter);
- napi_schedule(&adapter->napi);
-}
-
static irqreturn_t netxen_intr(int irq, void *data)
{
struct netxen_adapter *adapter = data;
- u32 our_int = 0;
-
u32 status = 0;
status = adapter->pci_read_immediate(adapter, ISR_INT_VECTOR);
if (!ISR_LEGACY_INT_TRIGGERED(status))
return IRQ_NONE;
- } else if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+ } else {
+ unsigned long our_int = 0;
our_int = adapter->pci_read_normalize(adapter, CRB_INT_VECTOR);
+
/* not our interrupt */
- if ((our_int & (0x80 << adapter->portnum)) == 0)
+ if (!test_and_clear_bit((7 + adapter->portnum), &our_int))
return IRQ_NONE;
- if (adapter->intr_scheme == INTR_SCHEME_PERPORT) {
- /* claim interrupt */
- adapter->pci_write_normalize(adapter,
- CRB_INT_VECTOR,
- our_int & ~((u32)(0x80 << adapter->portnum)));
- }
+ /* claim interrupt */
+ adapter->pci_write_normalize(adapter,
+ CRB_INT_VECTOR, (our_int & 0xffffffff));
}
- netxen_handle_int(adapter);
+ /* clear interrupt */
+ if (adapter->fw_major < 4)
+ netxen_nic_disable_int(adapter);
+
+ adapter->pci_write_immediate(adapter,
+ adapter->legacy_intr.tgt_status_reg,
+ 0xffffffff);
+ /* read twice to ensure write is flushed */
+ adapter->pci_read_immediate(adapter, ISR_INT_VECTOR);
+ adapter->pci_read_immediate(adapter, ISR_INT_VECTOR);
+
+ napi_schedule(&adapter->napi);
return IRQ_HANDLED;
}
{
struct netxen_adapter *adapter = data;
- netxen_handle_int(adapter);
+ /* clear interrupt */
+ adapter->pci_write_immediate(adapter,
+ msi_tgt_status[adapter->ahw.pci_func], 0xffffffff);
+
+ napi_schedule(&adapter->napi);
return IRQ_HANDLED;
}
projects / linux-2.6 / blobdiff