vhost-user: handle message to enable vring

[dpdk.git] / lib / librte_vhost / virtio-net.c

diff --git a/lib/librte_vhost/virtio-net.c b/lib/librte_vhost/virtio-net.c
index 772f835..48629d0 100644 (file)
--- a/lib/librte_vhost/virtio-net.c
+++ b/lib/librte_vhost/virtio-net.c
@@ -254,7 +254,7 @@ rm_config_ll_entry(struct virtio_net_config_ll *ll_dev,
 }
 
 static void
-init_vring_queue(struct vhost_virtqueue *vq)
+init_vring_queue(struct vhost_virtqueue *vq, int qp_idx)
 {
        memset(vq, 0, sizeof(struct vhost_virtqueue));
 
@@ -263,13 +263,19 @@ init_vring_queue(struct vhost_virtqueue *vq)
 
        /* Backends are set to -1 indicating an inactive device. */
        vq->backend = -1;
+
+       /* always set the default vq pair to enabled */
+       if (qp_idx == 0)
+               vq->enabled = 1;
 }
 
 static void
 init_vring_queue_pair(struct virtio_net *dev, uint32_t qp_idx)
 {
-       init_vring_queue(dev->virtqueue[qp_idx * VIRTIO_QNUM + VIRTIO_RXQ]);
-       init_vring_queue(dev->virtqueue[qp_idx * VIRTIO_QNUM + VIRTIO_TXQ]);
+       uint32_t base_idx = qp_idx * VIRTIO_QNUM;
+
+       init_vring_queue(dev->virtqueue[base_idx + VIRTIO_RXQ], qp_idx);
+       init_vring_queue(dev->virtqueue[base_idx + VIRTIO_TXQ], qp_idx);
 }
 
 static int