CMN_MAX_DIMENSION
if (max(cmn->mesh_x, cmn->mesh_y) > CMN_MAX_DIMENSION) {
#define CMN_MAX_XPS (CMN_MAX_DIMENSION * CMN_MAX_DIMENSION)
#define CMN_MAX_DTMS (CMN_MAX_XPS + (CMN_MAX_DIMENSION - 1) * 4)
u8 port[CMN_MAX_PORTS][CMN_MAX_DIMENSION];