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* [dpdk-stable] [PATCH] net/virtio: fix fail to configure rxq interrupt
@ 2017-07-19  3:18 Jiayu Hu
  2017-07-19  3:23 ` [dpdk-stable] [dpdk-dev] " Yang, Zhiyong
                   ` (3 more replies)
  0 siblings, 4 replies; 8+ messages in thread
From: Jiayu Hu @ 2017-07-19  3:18 UTC (permalink / raw)
  To: dev; +Cc: jianfeng.tan, yliu, lei.a.yao, Jiayu Hu, stable

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@dpdk.org

Signed-off-by: Jiayu Hu <jiayu.hu@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

^ permalink raw reply	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2017-07-31 17:17 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-07-19  3:18 [dpdk-stable] [PATCH] net/virtio: fix fail to configure rxq interrupt Jiayu Hu
2017-07-19  3:23 ` [dpdk-stable] [dpdk-dev] " Yang, Zhiyong
2017-07-19 11:08 ` [dpdk-stable] " Yuanhan Liu
2017-07-19 16:03   ` Tan, Jianfeng
2017-07-31  2:30 ` Yuanhan Liu
2017-07-31  7:56 ` [dpdk-stable] [PATCH v2] " Jiayu Hu
2017-07-31 17:01   ` [dpdk-stable] [dpdk-dev] " Maxime Coquelin
2017-07-31 17:17     ` Thomas Monjalon

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