static boolean_t ixgb_clean_tx_irq(struct ixgb_adapter *adapter);
#ifdef CONFIG_IXGB_NAPI
-static int ixgb_clean(struct net_device *netdev, int *budget);
+static int ixgb_clean(struct napi_struct *napi, int budget);
static boolean_t ixgb_clean_rx_irq(struct ixgb_adapter *adapter,
int *work_done, int work_to_do);
#else
ixgb_up(struct ixgb_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
- int err;
+ int err, irq_flags = IRQF_SHARED;
int max_frame = netdev->mtu + ENET_HEADER_SIZE + ENET_FCS_LENGTH;
struct ixgb_hw *hw = &adapter->hw;
/* disable interrupts and get the hardware into a known state */
IXGB_WRITE_REG(&adapter->hw, IMC, 0xffffffff);
-#ifdef CONFIG_PCI_MSI
- {
- boolean_t pcix = (IXGB_READ_REG(&adapter->hw, STATUS) &
- IXGB_STATUS_PCIX_MODE) ? TRUE : FALSE;
- adapter->have_msi = TRUE;
-
- if (!pcix)
- adapter->have_msi = FALSE;
- else if((err = pci_enable_msi(adapter->pdev))) {
- DPRINTK(PROBE, ERR,
- "Unable to allocate MSI interrupt Error: %d\n", err);
- adapter->have_msi = FALSE;
+ /* only enable MSI if bus is in PCI-X mode */
+ if (IXGB_READ_REG(&adapter->hw, STATUS) & IXGB_STATUS_PCIX_MODE) {
+ err = pci_enable_msi(adapter->pdev);
+ if (!err) {
+ adapter->have_msi = 1;
+ irq_flags = 0;
+ }
/* proceed to try to request regular interrupt */
}
- }
-#endif
- if((err = request_irq(adapter->pdev->irq, &ixgb_intr,
- IRQF_SHARED | IRQF_SAMPLE_RANDOM,
- netdev->name, netdev))) {
+ err = request_irq(adapter->pdev->irq, &ixgb_intr, irq_flags,
+ netdev->name, netdev);
+ if (err) {
+ if (adapter->have_msi)
+ pci_disable_msi(adapter->pdev);
DPRINTK(PROBE, ERR,
"Unable to allocate interrupt Error: %d\n", err);
return err;
mod_timer(&adapter->watchdog_timer, jiffies);
#ifdef CONFIG_IXGB_NAPI
- netif_poll_enable(netdev);
+ napi_enable(&adapter->napi);
#endif
ixgb_irq_enable(adapter);
ixgb_irq_disable(adapter);
free_irq(adapter->pdev->irq, netdev);
-#ifdef CONFIG_PCI_MSI
- if(adapter->have_msi == TRUE)
+
+ if (adapter->have_msi)
pci_disable_msi(adapter->pdev);
-#endif
if(kill_watchdog)
del_timer_sync(&adapter->watchdog_timer);
#ifdef CONFIG_IXGB_NAPI
- netif_poll_disable(netdev);
+ napi_disable(&adapter->napi);
#endif
adapter->link_speed = 0;
adapter->link_duplex = 0;
goto err_alloc_etherdev;
}
- SET_MODULE_OWNER(netdev);
SET_NETDEV_DEV(netdev, &pdev->dev);
pci_set_drvdata(pdev, netdev);
netdev->tx_timeout = &ixgb_tx_timeout;
netdev->watchdog_timeo = 5 * HZ;
#ifdef CONFIG_IXGB_NAPI
- netdev->poll = &ixgb_clean;
- netdev->weight = 64;
+ netif_napi_add(netdev, &adapter->napi, ixgb_clean, 64);
#endif
netdev->vlan_rx_register = ixgb_vlan_rx_register;
netdev->vlan_rx_add_vid = ixgb_vlan_rx_add_vid;
/* round up to nearest 4K */
txdr->size = txdr->count * sizeof(struct ixgb_tx_desc);
- IXGB_ROUNDUP(txdr->size, 4096);
+ txdr->size = ALIGN(txdr->size, 4096);
txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
if(!txdr->desc) {
/* Round up to nearest 4K */
rxdr->size = rxdr->count * sizeof(struct ixgb_rx_desc);
- IXGB_ROUNDUP(rxdr->size, 4096);
+ rxdr->size = ALIGN(rxdr->size, 4096);
rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
}
#ifdef CONFIG_IXGB_NAPI
- if(netif_rx_schedule_prep(netdev)) {
+ if (netif_rx_schedule_prep(netdev, &adapter->napi)) {
/* Disable interrupts and register for poll. The flush
of the posted write is intentionally left out.
atomic_inc(&adapter->irq_sem);
IXGB_WRITE_REG(&adapter->hw, IMC, ~0);
- __netif_rx_schedule(netdev);
+ __netif_rx_schedule(netdev, &adapter->napi);
}
#else
/* yes, that is actually a & and it is meant to make sure that
**/
static int
-ixgb_clean(struct net_device *netdev, int *budget)
+ixgb_clean(struct napi_struct *napi, int budget)
{
- struct ixgb_adapter *adapter = netdev_priv(netdev);
- int work_to_do = min(*budget, netdev->quota);
+ struct ixgb_adapter *adapter = container_of(napi, struct ixgb_adapter, napi);
+ struct net_device *netdev = adapter->netdev;
int tx_cleaned;
int work_done = 0;
tx_cleaned = ixgb_clean_tx_irq(adapter);
- ixgb_clean_rx_irq(adapter, &work_done, work_to_do);
-
- *budget -= work_done;
- netdev->quota -= work_done;
+ ixgb_clean_rx_irq(adapter, &work_done, budget);
/* if no Tx and not enough Rx work done, exit the polling mode */
if((!tx_cleaned && (work_done == 0)) || !netif_running(netdev)) {
- netif_rx_complete(netdev);
+ netif_rx_complete(netdev, napi);
ixgb_irq_enable(adapter);
- return 0;
}
- return 1;
+ return work_done;
}
#endif