ATM_VPI_UNSPEC
instance->cached_vpi = ATM_VPI_UNSPEC;
instance->cached_vpi = ATM_VPI_UNSPEC;
vcc->vpi = ATM_VPI_UNSPEC;
if ((vpi != ATM_VPI_UNSPEC && vpi != ATM_VPI_ANY &&
if (vpi != ATM_VPI_UNSPEC && vci != ATM_VCI_UNSPEC)
if (vpi == ATM_VPI_UNSPEC || vci == ATM_VCI_UNSPEC)
if (vcc->vpi != ATM_VPI_UNSPEC)