> -----Original Message----- > From: dev [mailto:[email protected]] On Behalf Of Jiayu Hu > Sent: Wednesday, July 19, 2017 11:18 AM > To: [email protected] > Cc: Tan, Jianfeng <[email protected]>; [email protected]; Yao, Lei A > <[email protected]>; Hu, Jiayu <[email protected]>; [email protected] > Subject: [dpdk-dev] [PATCH] net/virtio: fix fail to configure rxq interrupt > > 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: [email protected] > > Signed-off-by: Jiayu Hu <[email protected]> > --- > drivers/net/virtio/virtio_ethdev.c | 7 +++++++ > 1 file changed, 7 insertions(+)
Reviewed-by: Zhiyong Yang <[email protected] > Thanks Zhiyong > 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
