Support Rx queue interrupt.
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 | 35 +++++++++++++++++++++++++++++++
3 files changed, 37 insertions(+)
diff --git a/doc/guides/nics/features/ngbe.ini
b/doc/guides/nics/features/ngbe.ini
index 1006c3935b..d14469eb43 100644
--- a/doc/guides/nics/features/ngbe.ini
+++ b/doc/guides/nics/features/ngbe.ini
@@ -7,6 +7,7 @@
Speed capabilities = Y
Link status = Y
Link status event = Y
+Rx interrupt = Y
Queue start/stop = Y
MTU update = Y
Jumbo frame = Y
diff --git a/doc/guides/nics/ngbe.rst b/doc/guides/nics/ngbe.rst
index 50a6e85c49..2783c4a3c4 100644
--- a/doc/guides/nics/ngbe.rst
+++ b/doc/guides/nics/ngbe.rst
@@ -20,6 +20,7 @@ Features
- Port hardware statistics
- Jumbo frames
- Link state information
+- Interrupt mode for RX
- Scattered and gather for TX and RX
- FW version
diff --git a/drivers/net/ngbe/ngbe_ethdev.c b/drivers/net/ngbe/ngbe_ethdev.c
index 9caca55df3..52642161b7 100644
--- a/drivers/net/ngbe/ngbe_ethdev.c
+++ b/drivers/net/ngbe/ngbe_ethdev.c
@@ -2095,6 +2095,39 @@ ngbe_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
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;
+ uint32_t mask;
+ struct ngbe_hw *hw = ngbe_dev_hw(dev);
+
+ if (queue_id < 32) {
+ mask = rd32(hw, NGBE_IMS(0));
+ mask &= (1 << queue_id);
+ wr32(hw, NGBE_IMS(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)
+{
+ uint32_t mask;
+ struct ngbe_hw *hw = ngbe_dev_hw(dev);
+
+ if (queue_id < 32) {
+ 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
@@ -2215,6 +2248,8 @@ static const struct eth_dev_ops ngbe_eth_dev_ops = {
.tx_queue_start = ngbe_dev_tx_queue_start,
.tx_queue_stop = ngbe_dev_tx_queue_stop,
.rx_queue_setup = ngbe_dev_rx_queue_setup,
+ .rx_queue_intr_enable = ngbe_dev_rx_queue_intr_enable,
+ .rx_queue_intr_disable = ngbe_dev_rx_queue_intr_disable,
.rx_queue_release = ngbe_dev_rx_queue_release,
.tx_queue_setup = ngbe_dev_tx_queue_setup,
.tx_queue_release = ngbe_dev_tx_queue_release,
--
2.21.0.windows.1
