From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiayu Hu Subject: [PATCH v2] net/virtio: fix fail to configure rxq interrupt Date: Mon, 31 Jul 2017 15:56:44 +0800 Message-ID: <1501487804-50970-1-git-send-email-jiayu.hu@intel.com> References: <1500434303-12975-1-git-send-email-jiayu.hu@intel.com> Cc: yliu@fridaylinux.org, jianfeng.tan@intel.com, lei.a.yao@intel.com, Jiayu Hu , stable@dpdk.org To: dev@dpdk.org Return-path: In-Reply-To: <1500434303-12975-1-git-send-email-jiayu.hu@intel.com> 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_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 --- 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