Implement Rx queue interrupt enable/disable functions.
Signed-off-by: Jiawen Wu <jiawe...@trustnetic.com>
---
doc/guides/nics/features/ngbe.ini | 1 +
doc/guides/nics/ngbe.rst | 1 +
drivers/net/ngbe/ngbe_ethdev.c | 33 ++++++++++++++++++++++++++++++-
3 files changed, 34 insertions(+), 1 deletion(-)
diff --git a/doc/guides/nics/features/ngbe.ini
b/doc/guides/nics/features/ngbe.ini
index 1dfd92e96b..7b1f12bf95 100644
--- a/doc/guides/nics/features/ngbe.ini
+++ b/doc/guides/nics/features/ngbe.ini
@@ -8,6 +8,7 @@ Speed capabilities = Y
Link speed configuration = Y
Link status = Y
Link status event = Y
+Rx interrupt = Y
Free Tx mbuf on demand = Y
Queue start/stop = Y
Burst mode info = Y
diff --git a/doc/guides/nics/ngbe.rst b/doc/guides/nics/ngbe.rst
index 44d34197a6..e31600c95a 100644
--- a/doc/guides/nics/ngbe.rst
+++ b/doc/guides/nics/ngbe.rst
@@ -27,6 +27,7 @@ Features
- Scattered and gather for TX and RX
- IEEE 1588
- FW version
+- Interrupt mode for RX
Prerequisites
diff --git a/drivers/net/ngbe/ngbe_ethdev.c b/drivers/net/ngbe/ngbe_ethdev.c
index d7fc4bc70b..b9618cc074 100644
--- a/drivers/net/ngbe/ngbe_ethdev.c
+++ b/drivers/net/ngbe/ngbe_ethdev.c
@@ -2743,6 +2743,35 @@ ngbe_uc_all_hash_table_set(struct rte_eth_dev *dev,
uint8_t on)
return 0;
}
+static int
+ngbe_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
+{
+ struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+ struct rte_intr_handle *intr_handle = pci_dev->intr_handle;
+ struct ngbe_hw *hw = ngbe_dev_hw(dev);
+ uint32_t mask;
+
+ mask = rd32(hw, NGBE_IMC(0));
+ mask |= (1 << queue_id);
+ wr32(hw, NGBE_IMC(0), mask);
+ rte_intr_enable(intr_handle);
+
+ return 0;
+}
+
+static int
+ngbe_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
+{
+ struct ngbe_hw *hw = ngbe_dev_hw(dev);
+ uint32_t mask;
+
+ mask = rd32(hw, NGBE_IMS(0));
+ mask |= (1 << queue_id);
+ wr32(hw, NGBE_IMS(0), mask);
+
+ return 0;
+}
+
/**
* Set the IVAR registers, mapping interrupt causes to vectors
* @param hw
@@ -2770,7 +2799,7 @@ ngbe_set_ivar_map(struct ngbe_hw *hw, int8_t direction,
wr32(hw, NGBE_IVARMISC, tmp);
} else {
/* rx or tx causes */
- /* Workaround for ICR lost */
+ msix_vector |= NGBE_IVAR_VLD; /* Workaround for ICR lost */
idx = ((16 * (queue & 1)) + (8 * direction));
tmp = rd32(hw, NGBE_IVAR(queue >> 1));
tmp &= ~(0xFF << idx);
@@ -3202,6 +3231,8 @@ static const struct eth_dev_ops ngbe_eth_dev_ops = {
.rx_queue_release = ngbe_dev_rx_queue_release,
.tx_queue_setup = ngbe_dev_tx_queue_setup,
.tx_queue_release = ngbe_dev_tx_queue_release,
+ .rx_queue_intr_enable = ngbe_dev_rx_queue_intr_enable,
+ .rx_queue_intr_disable = ngbe_dev_rx_queue_intr_disable,
.dev_led_on = ngbe_dev_led_on,
.dev_led_off = ngbe_dev_led_off,
.flow_ctrl_get = ngbe_flow_ctrl_get,
--
2.27.0
