goto out_drain;
}
- if (np->msi_flags & NV_MSI_X_CAPABLE) {
- for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
- np->msi_x_entry[i].entry = i;
- }
- if ((ret = pci_enable_msix(np->pci_dev, np->msi_x_entry, (np->msi_flags & NV_MSI_X_VECTORS_MASK))) == 0) {
- np->msi_flags |= NV_MSI_X_ENABLED;
- if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) {
- /* Request irq for rx handling */
- if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, &nv_nic_irq_rx, SA_SHIRQ, dev->name, dev) != 0) {
- printk(KERN_INFO "forcedeth: request_irq failed for rx %d\n", ret);
- pci_disable_msix(np->pci_dev);
- np->msi_flags &= ~NV_MSI_X_ENABLED;
- goto out_drain;
- }
- /* Request irq for tx handling */
- if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, &nv_nic_irq_tx, SA_SHIRQ, dev->name, dev) != 0) {
- printk(KERN_INFO "forcedeth: request_irq failed for tx %d\n", ret);
- pci_disable_msix(np->pci_dev);
- np->msi_flags &= ~NV_MSI_X_ENABLED;
- goto out_drain;
- }
- /* Request irq for link and timer handling */
- if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector, &nv_nic_irq_other, SA_SHIRQ, dev->name, dev) != 0) {
- printk(KERN_INFO "forcedeth: request_irq failed for link %d\n", ret);
- pci_disable_msix(np->pci_dev);
- np->msi_flags &= ~NV_MSI_X_ENABLED;
- goto out_drain;
- }
-
- /* map interrupts to their respective vector */
- writel(0, base + NvRegMSIXMap0);
- writel(0, base + NvRegMSIXMap1);
- set_msix_vector_map(dev, NV_MSI_X_VECTOR_RX, NVREG_IRQ_RX_ALL);
- set_msix_vector_map(dev, NV_MSI_X_VECTOR_TX, NVREG_IRQ_TX_ALL);
- set_msix_vector_map(dev, NV_MSI_X_VECTOR_OTHER, NVREG_IRQ_OTHER);
- } else {
- /* Request irq for all interrupts */
- if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) {
- printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
- pci_disable_msix(np->pci_dev);
- np->msi_flags &= ~NV_MSI_X_ENABLED;
- goto out_drain;
- }
-
- /* map interrupts to vector 0 */
- writel(0, base + NvRegMSIXMap0);
- writel(0, base + NvRegMSIXMap1);
- }
- }
- }
- if (ret != 0 && np->msi_flags & NV_MSI_CAPABLE) {
- if ((ret = pci_enable_msi(np->pci_dev)) == 0) {
- np->msi_flags |= NV_MSI_ENABLED;
- if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) {
- printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
- pci_disable_msi(np->pci_dev);
- np->msi_flags &= ~NV_MSI_ENABLED;
- goto out_drain;
- }
-
- /* map interrupts to vector 0 */
- writel(0, base + NvRegMSIMap0);
- writel(0, base + NvRegMSIMap1);
- /* enable msi vector 0 */
- writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask);
- }
- }
- if (ret != 0) {
- if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0)
- goto out_drain;
- }
-
/* ask for interrupts */
nv_enable_hw_interrupts(dev, np->irqmask);