0d71e97fca
rx_descriptor_done is used by interrupt mode example application (l3fwd-power) to check rxd DD bit to decide the RX trend, then l3fwd-power will adjust the cpu frequency according to the result. Signed-off-by: Shaopeng He <shaopeng.he@intel.com> Acked-by: Jing Chen <jing.d.chen@intel.com> Acked-by: Michael Qiu <michael.qiu@intel.com>