[dpdk-dev] [PATCH] net/virtio: fix fail to configure rxq interrupt
Jiayu Hu
jiayu.hu at intel.com
Wed Jul 19 05:18:23 CEST 2017
When use rte_eth_dev_configure() to enable rx queue interrupt for virtio
devices, virtio_configure_intr() isn't called to set up the interrupt
environment, which causes rx queue interrupt setup failed. This patch is
to fix this issue.
Fixes: 26b683b4f7d0 ("net/virtio: setup Rx queue interrupts")
Cc: stable at dpdk.org
Signed-off-by: Jiayu Hu <jiayu.hu at intel.com>
---
drivers/net/virtio/virtio_ethdev.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 00a3122..66656ed 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -1688,6 +1688,13 @@ virtio_dev_configure(struct rte_eth_dev *dev)
return -ENOTSUP;
}
+ if (dev->data->dev_conf.intr_conf.rxq) {
+ if (virtio_configure_intr(dev) < 0) {
+ PMD_DRV_LOG(ERR, "failed to configure interrupt");
+ return -ENOTSUP;
+ }
+ }
+
if (dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)
/* Enable vector (0) for Link State Intrerrupt */
if (VTPCI_OPS(hw)->set_config_irq(hw, 0) ==
--
2.7.4
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