On Thu, Aug 10, 2023 at 02:29:49PM -0700, Jakub Kicinski wrote:

On Thu, 10 Aug 2023 15:04:27 -0400 Michael S. Tsirkin wrote:

quoted

Another question is that with this userspace can inject
packets directly into net stack. Should we check CAP_NET_ADMIN
or such?

Directly into the stack? I thought VDUSE is vDPA in user space,
meaning to get to the kernel the packet has to first go thru 
a virtio-net instance.

yes. is that a sufficient filter in your opinion?

Or you mean directly into the network?