On Tue, May 10, 2016 at 06:03:57PM +0200, marcandre.lur...@redhat.com wrote:
> From: Marc-André Lureau <marcandre.lur...@redhat.com>
>
> The initial vhost-user connection sets the features to be negotiated
> with the driver. Renegotiation isn't possible without device reset.
>
> To handle reconnection of vhost-user backend, ensure the same set of
> features are provided, and reuse already acked features.
>
> Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
> ---
> hw/net/vhost_net.c | 21 ++++++++++++++++++++-
> include/net/vhost-user.h | 1 +
> include/net/vhost_net.h | 3 +++
> net/vhost-user.c | 10 ++++++++++
> 4 files changed, 34 insertions(+), 1 deletion(-)
>
> diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c
> index 805a0df..f3df18c 100644
> --- a/hw/net/vhost_net.c
> +++ b/hw/net/vhost_net.c
> @@ -120,6 +120,11 @@ uint64_t vhost_net_get_max_queues(VHostNetState *net)
> return net->dev.max_queues;
> }
>
> +uint64_t vhost_net_get_acked_features(VHostNetState *net)
> +{
> + return net->dev.acked_features;
> +}
Note that you need add a dummy implementation for !VHOST_NET. Otherwise,
build won't work.
And sorry for being noisy, here is another ping about the status of
this patch set.
--yliu
