Reverse role defines for initiator and target mode to better match the class 3 service parameters we'd get.
Reverse role defines for initiator and target mode to better match the
class 3 service parameters we'd get.

Steal 8 bits out of the portid u_int32_t for role information (port ids
are 24 bits anyway).

MFC after:	1 week

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase