[PATCH v2] net/virtio: fix fail to configure rxq interrupt
From: Jiayu Hu <hidden>
Date: 2017-07-31 07:56:44
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
When use rte_eth_dev_configure() to enable rx queue interrupt for virtio
devices, virtio_init_device() 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@dpdk.org
Signed-off-by: Jiayu Hu <redacted>
---
changes in v2:
- fix QEMU crash issue.
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..e320811 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c@@ -1659,9 +1659,16 @@ virtio_dev_configure(struct rte_eth_dev *dev) { const struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode; struct virtio_hw *hw = dev->data->dev_private; + int ret; PMD_INIT_LOG(DEBUG, "configure"); + if (dev->data->dev_conf.intr_conf.rxq) { + ret = virtio_init_device(dev, hw->req_guest_features); + if (ret < 0) + return ret; + } + /* Virtio does L4 checksum but not L3! */ if (rxmode->hw_ip_checksum) { PMD_DRV_LOG(NOTICE,
--
2.7.4