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fm10k: remove Rx queue interrupts when stopping

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Previous dev_stop function stops the rx/tx queues. This patch adds logic
to disable rx queue interrupt, clean the datapath event and queue/vector
map.

Signed-off-by: Shaopeng He <shaopeng.he@intel.com>
Acked-by: Jing Chen <jing.d.chen@intel.com>
Acked-by: Michael Qiu <michael.qiu@intel.com>
This commit is contained in:
Shaopeng He 2016-02-05 12:57:47 +08:00 committed by Thomas Monjalon
parent eb57d9b750
commit 9c3607ba1f
1 changed files with 20 additions and 0 deletions
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20
drivers/net/fm10k/fm10k_ethdev.c
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@ -1131,6 +1131,8 @@ fm10k_dev_start(struct rte_eth_dev *dev)
static void
fm10k_dev_stop(struct rte_eth_dev *dev)
{
struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct rte_intr_handle *intr_handle = &dev->pci_dev->intr_handle;
int i;
PMD_INIT_FUNC_TRACE();
@ -1142,6 +1144,24 @@ fm10k_dev_stop(struct rte_eth_dev *dev)
if (dev->data->rx_queues)
for (i = 0; i < dev->data->nb_rx_queues; i++)
fm10k_dev_rx_queue_stop(dev, i);
/* Disable datapath event */
if (rte_intr_dp_is_en(intr_handle)) {
for (i = 0; i < dev->data->nb_rx_queues; i++) {
FM10K_WRITE_REG(hw, FM10K_RXINT(i),
3 << FM10K_RXINT_TIMER_SHIFT);
if (hw->mac.type == fm10k_mac_pf)
FM10K_WRITE_REG(hw, FM10K_ITR(Q2V(dev, i)),
FM10K_ITR_MASK_SET);
else
FM10K_WRITE_REG(hw, FM10K_VFITR(Q2V(dev, i)),
FM10K_ITR_MASK_SET);
}
}
/* Clean datapath event and queue/vec mapping */
rte_intr_efd_disable(intr_handle);
rte_free(intr_handle->intr_vec);
intr_handle->intr_vec = NULL;
}
static void