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i40e: fix PF interrupt handler

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'PFINT_ICR0_ENA' shouldn't be cleared in user space ISR,
otherwise adminq interrupts might be missed during
co-working with VF initialization.

Signed-off-by: Helin Zhang <helin.zhang@intel.com>
Acked-by: Jing Chen <jing.d.chen@intel.com>
This commit is contained in:
Helin Zhang 2014-11-04 16:08:14 +08:00 committed by Thomas Monjalon
parent 6e718ae062
commit 03e801bc79
1 changed files with 0 additions and 3 deletions
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3
lib/librte_pmd_i40e/i40e_ethdev.c
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@ -3574,7 +3574,6 @@ i40e_dev_interrupt_delayed_handler(void *param)
i40e_dev_link_update(dev, 0);
_rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC);
I40E_WRITE_REG(hw, I40E_PFINT_ICR0_ENA, I40E_PFINT_ICR0_ENA_MASK);
i40e_pf_enable_irq0(hw);
rte_intr_enable(&(dev->pci_dev->intr_handle));
}
@ -3601,7 +3600,6 @@ i40e_dev_interrupt_handler(__rte_unused struct rte_intr_handle *handle,
/* Disable interrupt */
i40e_pf_disable_irq0(hw);
I40E_WRITE_REG(hw, I40E_PFINT_ICR0_ENA, 0);
/* read out interrupt causes */
icr0 = I40E_READ_REG(hw, I40E_PFINT_ICR0);
@ -3663,7 +3661,6 @@ i40e_dev_interrupt_handler(__rte_unused struct rte_intr_handle *handle,
done:
/* Enable interrupt */
I40E_WRITE_REG(hw, I40E_PFINT_ICR0_ENA, I40E_PFINT_ICR0_ENA_MASK);
i40e_pf_enable_irq0(hw);
rte_intr_enable(&(dev->pci_dev->intr_handle));
}