C++ (Cpp) enic_free_intr Examples

Example #1

File: enic_main.c Project: johnny/CobraDroidBeta

/* rtnl lock is held, process context */
static int enic_open(struct net_device *netdev)
{
	struct enic *enic = netdev_priv(netdev);
	unsigned int i;
	int err;

	err = enic_request_intr(enic);
	if (err) {
		printk(KERN_ERR PFX "%s: Unable to request irq.\n",
			netdev->name);
		return err;
	}

	err = enic_notify_set(enic);
	if (err) {
		printk(KERN_ERR PFX
			"%s: Failed to alloc notify buffer, aborting.\n",
			netdev->name);
		goto err_out_free_intr;
	}

	for (i = 0; i < enic->rq_count; i++) {
		err = vnic_rq_fill(&enic->rq[i], enic_rq_alloc_buf);
		if (err) {
			printk(KERN_ERR PFX
				"%s: Unable to alloc receive buffers.\n",
				netdev->name);
			goto err_out_notify_unset;
		}
	}

	for (i = 0; i < enic->wq_count; i++)
		vnic_wq_enable(&enic->wq[i]);
	for (i = 0; i < enic->rq_count; i++)
		vnic_rq_enable(&enic->rq[i]);

	enic_add_station_addr(enic);
	enic_set_multicast_list(netdev);

	netif_wake_queue(netdev);
	napi_enable(&enic->napi);
	vnic_dev_enable(enic->vdev);

	for (i = 0; i < enic->intr_count; i++)
		vnic_intr_unmask(&enic->intr[i]);

	enic_notify_timer_start(enic);

	return 0;

err_out_notify_unset:
	vnic_dev_notify_unset(enic->vdev);
err_out_free_intr:
	enic_free_intr(enic);

	return err;
}

Example #2

static int enic_stop(struct net_device *netdev)
{
	struct enic *enic = netdev_priv(netdev);
	unsigned int i;
	int err;

	del_timer_sync(&enic->notify_timer);

	spin_lock(&enic->devcmd_lock);
	vnic_dev_disable(enic->vdev);
	spin_unlock(&enic->devcmd_lock);
	napi_disable(&enic->napi);
	netif_stop_queue(netdev);

	for (i = 0; i < enic->intr_count; i++)
		vnic_intr_mask(&enic->intr[i]);

	for (i = 0; i < enic->wq_count; i++) {
		err = vnic_wq_disable(&enic->wq[i]);
		if (err)
			return err;
	}
	for (i = 0; i < enic->rq_count; i++) {
		err = vnic_rq_disable(&enic->rq[i]);
		if (err)
			return err;
	}

	spin_lock(&enic->devcmd_lock);
	vnic_dev_notify_unset(enic->vdev);
	spin_unlock(&enic->devcmd_lock);
	enic_free_intr(enic);

	(void)vnic_cq_service(&enic->cq[ENIC_CQ_RQ],
		-1, enic_rq_service_drop, NULL);
	(void)vnic_cq_service(&enic->cq[ENIC_CQ_WQ],
		-1, enic_wq_service, NULL);

	for (i = 0; i < enic->wq_count; i++)
		vnic_wq_clean(&enic->wq[i], enic_free_wq_buf);
	for (i = 0; i < enic->rq_count; i++)
		vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
	for (i = 0; i < enic->cq_count; i++)
		vnic_cq_clean(&enic->cq[i]);
	for (i = 0; i < enic->intr_count; i++)
		vnic_intr_clean(&enic->intr[i]);

	return 0;
}

Example #3

static int enic_request_intr(struct enic *enic)
{
	struct net_device *netdev = enic->netdev;
	unsigned int i;
	int err = 0;

	switch (vnic_dev_get_intr_mode(enic->vdev)) {

	case VNIC_DEV_INTR_MODE_INTX:

		err = request_irq(enic->pdev->irq, enic_isr_legacy,
			IRQF_SHARED, netdev->name, netdev);
		break;

	case VNIC_DEV_INTR_MODE_MSI:

		err = request_irq(enic->pdev->irq, enic_isr_msi,
			0, netdev->name, enic);
		break;

	case VNIC_DEV_INTR_MODE_MSIX:

		sprintf(enic->msix[ENIC_MSIX_RQ].devname,
			"%.11s-rx-0", netdev->name);
		enic->msix[ENIC_MSIX_RQ].isr = enic_isr_msix_rq;
		enic->msix[ENIC_MSIX_RQ].devid = enic;

		sprintf(enic->msix[ENIC_MSIX_WQ].devname,
			"%.11s-tx-0", netdev->name);
		enic->msix[ENIC_MSIX_WQ].isr = enic_isr_msix_wq;
		enic->msix[ENIC_MSIX_WQ].devid = enic;

		sprintf(enic->msix[ENIC_MSIX_ERR].devname,
			"%.11s-err", netdev->name);
		enic->msix[ENIC_MSIX_ERR].isr = enic_isr_msix_err;
		enic->msix[ENIC_MSIX_ERR].devid = enic;

		sprintf(enic->msix[ENIC_MSIX_NOTIFY].devname,
			"%.11s-notify", netdev->name);
		enic->msix[ENIC_MSIX_NOTIFY].isr = enic_isr_msix_notify;
		enic->msix[ENIC_MSIX_NOTIFY].devid = enic;

		for (i = 0; i < ARRAY_SIZE(enic->msix); i++) {
			err = request_irq(enic->msix_entry[i].vector,
				enic->msix[i].isr, 0,
				enic->msix[i].devname,
				enic->msix[i].devid);
			if (err) {
				enic_free_intr(enic);
				break;
			}
			enic->msix[i].requested = 1;
		}

		break;

	default:
		break;
	}

	return err;
}