Imported Upstream version 17.05

[deb_dpdk.git] / drivers / net / virtio / virtio_rxtx_simple.c

diff --git a/drivers/net/virtio/virtio_rxtx_simple.c b/drivers/net/virtio/virtio_rxtx_simple.c
index b651e53..542cf80 100644 (file)
--- a/drivers/net/virtio/virtio_rxtx_simple.c
+++ b/drivers/net/virtio/virtio_rxtx_simple.c
@@ -89,12 +89,17 @@ virtio_xmit_pkts_simple(void *tx_queue, struct rte_mbuf **tx_pkts,
 {
        struct virtnet_tx *txvq = tx_queue;
        struct virtqueue *vq = txvq->vq;
+       struct virtio_hw *hw = vq->hw;
        uint16_t nb_used;
        uint16_t desc_idx;
        struct vring_desc *start_dp;
        uint16_t nb_tail, nb_commit;
        int i;
        uint16_t desc_idx_max = (vq->vq_nentries >> 1) - 1;
+       uint16_t nb_tx = 0;
+
+       if (unlikely(hw->started == 0))
+               return nb_tx;
 
        nb_used = VIRTQUEUE_NUSED(vq);
        rte_compiler_barrier();