GL_RDPU_CNTRL
val = rd32(&rf->hw, GL_RDPU_CNTRL);
if_getdunit(rf->peer_info->ifp), GL_RDPU_CNTRL, val);
wr32(&rf->hw, GL_RDPU_CNTRL, val);
val = rd32(&rf->hw, GL_RDPU_CNTRL);
if_getdunit(rf->peer_info->ifp), GL_RDPU_CNTRL, val);
val = rd32(hw, GL_RDPU_CNTRL);
wr32(hw, GL_RDPU_CNTRL, val);