dpdk：
http://dpdk.org/doc/guides/prog_guide/ring_lib.html#ring-library
linux：
https://lwn.net/Articles/340400/
https://lwn.net/Articles/340443/
freeBSD：
https://svnweb.freebsd.org/base/release/8.0.0/sys/sys/buf_ring.h?revision=199625&view=markup