diff --git a/siu/l2tp/l2tpd_packet.h b/siu/l2tp/l2tpd_packet.h
index a5e308d..8c50bf6 100644
--- a/siu/l2tp/l2tpd_packet.h
+++ b/siu/l2tp/l2tpd_packet.h
@@ -4,13 +4,16 @@ struct msgb;
 struct l2tpd_connection;
 struct l2tpd_session;
 
+/* control connection management */
 int l2tp_tx_scc_rp(struct l2tpd_connection *l2c);
 int l2tp_tx_stop_ccn(struct l2tpd_connection *l2c);
-int l2tp_tx_stop_ccn_msg(struct msgb *old);
-int l2tp_tx_tc_rq(struct l2tpd_session *l2s);
-int l2tp_tx_altc_rq(struct l2tpd_session *l2s);
-int l2tp_tx_ic_rp(struct l2tpd_session *l2s);
+int l2tp_tx_stop_ccn_msg(struct msgb *old)
+int l2tp_tx_tc_rq(struct l2tpd_connection *l2c);
+int l2tp_tx_altc_rq(struct l2tpd_connection *l2c);
 int l2tp_tx_ack(struct l2tpd_connection *l2c);
+
+/* session management */
+int l2tp_tx_ic_rp(struct l2tpd_session *l2s);
 int l2tp_tx_hello(struct l2tpd_session *l2s);
 
 int l2tp_rcvmsg(struct msgb *msg);