On Tue, Jul 26, 2022 at 2:24 PM Kangjie Xu <kangjie...@linux.alibaba.com> wrote: > > > 在 2022/7/26 12:28, Jason Wang 写道: > > > > 在 2022/7/18 19:17, Kangjie Xu 写道: > >> Add support for negotation of vq reset feature bit. > >> > >> Signed-off-by: Kangjie Xu <kangjie...@linux.alibaba.com> > >> Signed-off-by: Xuan Zhuo <xuanz...@linux.alibaba.com> > > > > > > I'd suggest to add support for vhost-net kernel as well. It looks much > > more easier than vhost-user (I guess a stop/start would do the trick). > > > > Thanks > > > > > Yeah, we've planned to support it in the future.
If it's possible, I suggest to implement in this series. It would be easier since it current kernel support it already (via SET_BACKEND). Thanks > > Thanks > > >> --- > >> hw/net/vhost_net.c | 1 + > >> hw/net/virtio-net.c | 3 ++- > >> 2 files changed, 3 insertions(+), 1 deletion(-) > >> > >> diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c > >> index 4f5f034c11..de910f6466 100644 > >> --- a/hw/net/vhost_net.c > >> +++ b/hw/net/vhost_net.c > >> @@ -73,6 +73,7 @@ static const int user_feature_bits[] = { > >> VIRTIO_NET_F_MTU, > >> VIRTIO_F_IOMMU_PLATFORM, > >> VIRTIO_F_RING_PACKED, > >> + VIRTIO_F_RING_RESET, > >> VIRTIO_NET_F_RSS, > >> VIRTIO_NET_F_HASH_REPORT, > >> diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c > >> index 0747ffe71c..a8b299067a 100644 > >> --- a/hw/net/virtio-net.c > >> +++ b/hw/net/virtio-net.c > >> @@ -757,6 +757,8 @@ static uint64_t > >> virtio_net_get_features(VirtIODevice *vdev, uint64_t features, > >> virtio_add_feature(&features, VIRTIO_NET_F_MAC); > >> + virtio_add_feature(&features, VIRTIO_F_RING_RESET); > >> + > >> if (!peer_has_vnet_hdr(n)) { > >> virtio_clear_feature(&features, VIRTIO_NET_F_CSUM); > >> virtio_clear_feature(&features, VIRTIO_NET_F_HOST_TSO4); > >> @@ -777,7 +779,6 @@ static uint64_t > >> virtio_net_get_features(VirtIODevice *vdev, uint64_t features, > >> } > >> if (!get_vhost_net(nc->peer)) { > >> - virtio_add_feature(&features, VIRTIO_F_RING_RESET); > >> return features; > >> } >