From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiayu Hu Subject: [PATCH] net/virtio: fix fail to configure rxq interrupt Date: Wed, 19 Jul 2017 11:18:23 +0800 Message-ID: <1500434303-12975-1-git-send-email-jiayu.hu@intel.com> Cc: jianfeng.tan@intel.com, yliu@fridaylinux.org, lei.a.yao@intel.com, Jiayu Hu , stable@dpdk.org To: dev@dpdk.org Return-path: List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 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 --- 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