Comment by jitl
4 months ago
There are systems that move the NIC control to user space entirely. For example Snabb has an Intel 10g Ethernet controller driver that appears to use a ring buffer on DMA memory.
https://github.com/snabbco/snabb/blob/master/src/apps/intel/...
"(You could think of it as a [busybox](https://en.wikipedia.org/wiki/BusyBox#Single_binary) for networking.)"
They sugggest thinking of busybox
But if using busybox, their Makefile will fail
Using toybox instead will work