/* dccp_determine_ccmps - Find out about CCID-specfic packet-size limits We only consider the HC-sender CCID for setting the CCMPS (RFC 4340, 14.), since the RX CCID is restricted to feedback packets (Acks), which are small in comparison with the data traffic. A value of 0 means "no current CCMPS".  */
static u32 dccp_determine_ccmps(const struct dccp_sock *dp)
/* dccp_determine_ccmps - Find out about CCID-specfic packet-size limits We only consider the HC-sender CCID for setting the CCMPS (RFC 4340, 14.), since the RX CCID is restricted to feedback packets (Acks), which are small in comparison with the data traffic. A value of 0 means "no current CCMPS".  */
static u32 dccp_determine_ccmps(const struct dccp_sock *dp)
{
	const struct ccid *tx_ccid = dp->dccps_hc_tx_ccid;
	if (tx_ccid == NULL || tx_ccid->ccid_ops == NULL)
		return 0;
	return tx_ccid->ccid_ops->ccid_ccmps;
}