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| author |   Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2017-05-16 14:51:32 +0200 |
|---|---|---|
| committer | Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2017-05-16 16:20:45 +0200 |
| commit | 7595afa4d30097c1177b69257118d8ad89a539be (patch) | |
| tree | 4bfeadc905c977e45e54a90c42330553b8942e4e /drivers/net/virtio/virtio_rxtx_simple.c | |
| parent | ce3d555e43e3795b5d9507fcfc76b7a0a92fd0d6 (diff) | |
Imported Upstream version 17.05
Change-Id: Id1e419c5a214e4a18739663b91f0f9a549f1fdc6
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'drivers/net/virtio/virtio_rxtx_simple.c')
| -rw-r--r-- | drivers/net/virtio/virtio_rxtx_simple.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/virtio/virtio_rxtx_simple.c b/drivers/net/virtio/virtio_rxtx_simple.c index b651e53b..542cf805 100644 --- 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(); |