[dpdk-dev] [RFC PATCH v2 01/14] enable VIRTIO_NET_F_CTRL_RX VIRTIO_NET_F_CTRL_RX is dependant on VIRTIO_NET_F_CTRL_VQ. Observed that virtio-net driver in guest would crash with only CTRL_RX enabled.

[Xie, Huawei]

> 
> Hi,Xie
> 
> If don't have features VIRTIO_NET_F_CTRL_VQ and  VIRTIO_NET_F_CTRL_RX
> what would happen?
> Why add the two features?

If virtio-net driver doesn't require those two features, it will work fine.

Changchun cced added these two features for control queue support and 
broadcast/multicast support.

> --
> Regards,
> Haifeng