/* Validate the next to send (ns) field from received frame.  */
int irlap_validate_ns_received(struct irlap_cb *self, int ns)
/* Validate the next to send (ns) field from received frame.  */
int irlap_validate_ns_received(struct irlap_cb *self, int ns)
{
	if (ns == self->vr)
		return NS_EXPECTED;
	return NS_UNEXPECTED;
}