[dpdk-dev] [PATCH v4 4/6] fm10k: add rx queue interrupt en/dis functions

[Shaopeng He]

Interrupt mode framework has enable/disable functions for individual
rx queue, this patch implements these two functions.

Signed-off-by: Shaopeng He <shaopeng.he at intel.com>
Acked-by: Jing Chen <jing.d.chen at intel.com>
---
 drivers/net/fm10k/fm10k_ethdev.c | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c
index b5b809c..83e2f65 100644
--- a/drivers/net/fm10k/fm10k_ethdev.c
+++ b/drivers/net/fm10k/fm10k_ethdev.c
@@ -2205,6 +2205,37 @@ fm10k_dev_disable_intr_vf(struct rte_eth_dev *dev)
 }

 static int
+fm10k_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
+{
+       struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       /* Enable ITR */
+       if (hw->mac.type == fm10k_mac_pf)
+               FM10K_WRITE_REG(hw, FM10K_ITR(Q2V(dev, queue_id)),
+                       FM10K_ITR_AUTOMASK | FM10K_ITR_MASK_CLEAR);
+       else
+               FM10K_WRITE_REG(hw, FM10K_VFITR(Q2V(dev, queue_id)),
+                       FM10K_ITR_AUTOMASK | FM10K_ITR_MASK_CLEAR);
+       rte_intr_enable(&dev->pci_dev->intr_handle);
+       return 0;
+}
+
+static int
+fm10k_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
+{
+       struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       /* Disable ITR */
+       if (hw->mac.type == fm10k_mac_pf)
+               FM10K_WRITE_REG(hw, FM10K_ITR(Q2V(dev, queue_id)),
+                       FM10K_ITR_MASK_SET);
+       else
+               FM10K_WRITE_REG(hw, FM10K_VFITR(Q2V(dev, queue_id)),
+                       FM10K_ITR_MASK_SET);
+       return 0;
+}
+
+static int
 fm10k_dev_rxq_interrupt_setup(struct rte_eth_dev *dev)
 {
        struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
@@ -2537,6 +2568,8 @@ static const struct eth_dev_ops fm10k_eth_dev_ops = {
        .tx_queue_setup         = fm10k_tx_queue_setup,
        .tx_queue_release       = fm10k_tx_queue_release,
        .rx_descriptor_done     = fm10k_dev_rx_descriptor_done,
+       .rx_queue_intr_enable   = fm10k_dev_rx_queue_intr_enable,
+       .rx_queue_intr_disable  = fm10k_dev_rx_queue_intr_disable,
        .reta_update            = fm10k_reta_update,
        .reta_query             = fm10k_reta_query,
        .rss_hash_update        = fm10k_rss_hash_update,
-- 
1.9.3