[zippie]

Though the parent mentions AF_XDP can be used in user space, it will require BPF maps to route the queues properly.

If you’re interested in XDP and the like, also check out DPDK (BSD licensed, https://www.dpdk.org).

[debatem1]

Also netmap, which I find easier to use: http://info.iet.unipi.it/~luigi/netmap/