vhost: fix async inflight packet counter

Async inflight packet counter should take failed packets into account.
Failed packets will be deducted in the error handling logic.

Fixes: 6b3c81db8bb7 ("vhost: simplify async copy completion")
Fixes: cd6760da1076 ("vhost: introduce async enqueue for split ring")
Cc: stable@dpdk.org
Signed-off-by: Patrick Fu <patrick.fu@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>

diff --git a/lib/librte_vhost/virtio_net.c b/lib/librte_vhost/virtio_net.c
index 10dec5e54dcdf79b242cb85278532d4410bc13eb..6c5128665e3928a7415a21063ce7d77c2986f4ca 100644 (file)
--- a/lib/librte_vhost/virtio_net.c
+++ b/lib/librte_vhost/virtio_net.c
@@ -1567,7 +1567,7 @@ virtio_dev_rx_async_submit_split(struct virtio_net *dev,
                        src_it = it_pool;
                        dst_it = it_pool + 1;
                        segs_await = 0;
-                       vq->async_pkts_inflight_n += n_pkts;
+                       vq->async_pkts_inflight_n += pkt_burst_idx;
 
                        if (unlikely(n_pkts < (int)pkt_burst_idx)) {
                                /*
@@ -1587,7 +1587,7 @@ virtio_dev_rx_async_submit_split(struct virtio_net *dev,
        if (pkt_burst_idx) {
                n_pkts = vq->async_ops.transfer_data(dev->vid,
                                queue_id, tdes, 0, pkt_burst_idx);
-               vq->async_pkts_inflight_n += n_pkts;
+               vq->async_pkts_inflight_n += pkt_burst_idx;
 
                if (unlikely(n_pkts < (int)pkt_burst_idx))
                        pkt_err = pkt_burst_idx - n_pkts;