Add ffu to support offload flow into HW.
It supports forward, mirror, push VLAN, pop VLAN.
It also supports flowset for a group flow definition.
The config file can configure debug log, port speed,
epl port mapping dpdk port, flowset. All these configuration
will be used by switch management.
Statistics includes epl port, ffu rule, dpdk port, and error.
All these statistics data are read from HW.
Modify switch header file to support getting logical port
and glort and device info.
Signed-off-by: Xiaojun Liu <xiaojun.liu@silicom.co.il>
5550889d65