static inline int ccid_get_current_tx_ccid(struct dccp_sock *dp)
{
	struct ccid *ccid = dp->dccps_hc_tx_ccid;

	if (ccid == NULL || ccid->ccid_ops == NULL)
		return -1;
	return ccid->ccid_ops->ccid_id;
}
static inline int ccid_get_current_tx_ccid(struct dccp_sock *dp)
{
	struct ccid *ccid = dp->dccps_hc_tx_ccid;

	if (ccid == NULL || ccid->ccid_ops == NULL)
		return -1;
	return ccid->ccid_ops->ccid_id;
}