Ejemplo n.º 1
0
static irqreturn_t enic_isr_legacy(int irq, void *data)
{
	struct net_device *netdev = data;
	struct enic *enic = netdev_priv(netdev);
	u32 pba;

	vnic_intr_mask(&enic->intr[ENIC_INTX_WQ_RQ]);

	pba = vnic_intr_legacy_pba(enic->legacy_pba);
	if (!pba) {
		vnic_intr_unmask(&enic->intr[ENIC_INTX_WQ_RQ]);
		return IRQ_NONE;	/* not our interrupt */
	}

	if (ENIC_TEST_INTR(pba, ENIC_INTX_NOTIFY))
		enic_notify_check(enic);

	if (ENIC_TEST_INTR(pba, ENIC_INTX_ERR)) {
		enic_log_q_error(enic);
		/* schedule recovery from WQ/RQ error */
		schedule_work(&enic->reset);
		return IRQ_HANDLED;
	}

	if (ENIC_TEST_INTR(pba, ENIC_INTX_WQ_RQ)) {
		if (netif_rx_schedule_prep(&enic->napi))
			__netif_rx_schedule(&enic->napi);
	} else {
		vnic_intr_unmask(&enic->intr[ENIC_INTX_WQ_RQ]);
	}

	return IRQ_HANDLED;
}
Ejemplo n.º 2
0
static irqreturn_t enic_isr_legacy(int irq, void *data)
{
	struct net_device *netdev = data;
	struct enic *enic = netdev_priv(netdev);
	u32 pba;

	vnic_intr_mask(&enic->intr[ENIC_INTX_WQ_RQ]);

	pba = vnic_intr_legacy_pba(enic->legacy_pba);
	if (!pba) {
		vnic_intr_unmask(&enic->intr[ENIC_INTX_WQ_RQ]);
		return IRQ_NONE;	
	}

	if (ENIC_TEST_INTR(pba, ENIC_INTX_NOTIFY)) {
		vnic_intr_return_all_credits(&enic->intr[ENIC_INTX_NOTIFY]);
		enic_notify_check(enic);
	}

	if (ENIC_TEST_INTR(pba, ENIC_INTX_ERR)) {
		vnic_intr_return_all_credits(&enic->intr[ENIC_INTX_ERR]);
		enic_log_q_error(enic);
		
		schedule_work(&enic->reset);
		return IRQ_HANDLED;
	}

	if (ENIC_TEST_INTR(pba, ENIC_INTX_WQ_RQ)) {
		if (napi_schedule_prep(&enic->napi))
			__napi_schedule(&enic->napi);
	} else {
		vnic_intr_unmask(&enic->intr[ENIC_INTX_WQ_RQ]);
	}

	return IRQ_HANDLED;
}