[RFC 01/27] vhost: fix missing guest notif stat increment

[Maxime Coquelin]

Guest notification counter was only incremented for split
ring, this patch adds it also for packed ring.

Fixes: 1ea74efd7fa4 ("vhost: add statistics for guest notification")
Cc: sta...@dpdk.org

Signed-off-by: Maxime Coquelin <maxime.coque...@redhat.com>
---
 lib/vhost/vhost.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/vhost/vhost.h b/lib/vhost/vhost.h
index 8fdab13c70..8554ab4002 100644
--- a/lib/vhost/vhost.h
+++ b/lib/vhost/vhost.h
@@ -973,6 +973,8 @@ vhost_vring_call_packed(struct virtio_net *dev, struct 
vhost_virtqueue *vq)
 kick:
        if (kick) {
                eventfd_write(vq->callfd, (eventfd_t)1);
+               if (dev->flags & VIRTIO_DEV_STATS_ENABLED)
+                       vq->stats.guest_notifications++;
                if (dev->notify_ops->guest_notified)
                        dev->notify_ops->guest_notified(dev->vid);
        }
-- 
2.39.2