ipoe: check connlimit for UP sessions

accel-pppd/ctrl/ipoe/ipoe.c

@@ -1805,6 +1805,9 @@ static struct ipoe_session *ipoe_session_create_up(struct ipoe_serv *serv, struc
 	if (ap_shutdown)
 		return NULL;
 
+	if (connlimit_loaded && connlimit_check(cl_key_from_ipv4(saddr)))
+		return NULL;
+
 	if (conf_max_sessions && ap_session_stat.active + ap_session_stat.starting >= conf_max_sessions)
 		return NULL;