} sctp_xmit_t;
 
 /* These are the commands for manipulating transports.  */
-typedef enum {
+enum sctp_transport_cmd {
        SCTP_TRANSPORT_UP,
        SCTP_TRANSPORT_DOWN,
        SCTP_TRANSPORT_PF,
-} sctp_transport_cmd_t;
+};
 
 /* These are the address scopes defined mainly for IPv4 addresses
  * based on draft of SCTP IPv4 scoping <draft-stewart-tsvwg-sctp-ipv4-00.txt>.
 
                         const union sctp_addr *addr);
 void sctp_assoc_rm_peer(struct sctp_association *asoc,
                         struct sctp_transport *peer);
-void sctp_assoc_control_transport(struct sctp_association *,
-                                 struct sctp_transport *,
-                                 sctp_transport_cmd_t, sctp_sn_error_t);
+void sctp_assoc_control_transport(struct sctp_association *asoc,
+                                 struct sctp_transport *transport,
+                                 enum sctp_transport_cmd command,
+                                 sctp_sn_error_t error);
 struct sctp_transport *sctp_assoc_lookup_tsn(struct sctp_association *, __u32);
 struct sctp_transport *sctp_assoc_is_match(struct sctp_association *,
                                           struct net *,
 
  */
 void sctp_assoc_control_transport(struct sctp_association *asoc,
                                  struct sctp_transport *transport,
-                                 sctp_transport_cmd_t command,
+                                 enum sctp_transport_cmd command,
                                  sctp_sn_error_t error)
 {
        struct sctp_ulpevent *event;