net/virtio: fix used index retrieved only once

[dpdk.git] / drivers / net / virtio / virtio_ethdev.c

diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 12fa640..c89fa9f 100644 (file)
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -222,12 +222,12 @@ virtio_send_command(struct virtnet_ctl *cvq, struct virtio_pmd_ctrl *ctrl,
        virtqueue_notify(vq);
 
        rte_rmb();
-       while (vq->vq_used_cons_idx == vq->vq_ring.used->idx) {
+       while (VIRTQUEUE_NUSED(vq) == 0) {
                rte_rmb();
                usleep(100);
        }
 
-       while (vq->vq_used_cons_idx != vq->vq_ring.used->idx) {
+       while (VIRTQUEUE_NUSED(vq)) {
                uint32_t idx, desc_idx, used_idx;
                struct vring_used_elem *uep;