Re: [PATCH v2 19/24] vhost-net: vhost-user: update vhost_net_virtqueue_restart()

[Jason Wang]

在 2022/8/16 09:06, Kangjie Xu 写道:

Update vhost_net_virtqueue_restart() for vhost-user scenario.

Similar to previous patch, let's explain why it it needed.

Thanks

Signed-off-by: Kangjie Xu <kangjie...@linux.alibaba.com>
Signed-off-by: Xuan Zhuo <xuanz...@linux.alibaba.com>
---
  hw/net/vhost_net.c | 4 ++++
  1 file changed, 4 insertions(+)

diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c
index c0d408f3b4..778081e54a 100644
--- a/hw/net/vhost_net.c
+++ b/hw/net/vhost_net.c
@@ -556,6 +556,10 @@ int vhost_net_virtqueue_restart(VirtIODevice *vdev, 
NetClientState *nc,

idx = vhost_ops->vhost_get_vq_index(&net->dev, vq_index); + if (net->nc->info->type == NET_CLIENT_DRIVER_VHOST_USER) {

+        idx = idx - net->dev.vq_index;
+    }
+
      r = vhost_dev_virtqueue_restart(&net->dev, vdev, idx);
      if (r < 0) {
          goto err_start;