HDL_DHASH
dhashp = HDL_DHASH(hp->dip);
dhashp = HDL_DHASH(hp->dip);
dhashp = HDL_DHASH(hp->dip);
dhashp = HDL_DHASH(hp->dip);
dhashp = HDL_DHASH(arg->f_dip);
dhashp = HDL_DHASH(hp->dip);