--- /dev/null
+/*!\file inc/netinet/if_fddi.h
+ * FDDI header definition.
+ */
+
+/*
+ * Copyright (c) 1982, 1986, 1993
+ * The Regents of the University of California. All rights reserved.
+ * Copyright (c) 1995 Matt Thomas (thomas@lkg.dec.com)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)if_fddi.h 8.1 (Berkeley) 6/10/93
+ * $Id: if_fddi.h,v 1.3.4.1 1997/02/08 15:13:45 joerg Exp $
+ */
+
+#ifndef __NETINET_IF_FDDI_H
+#define __NETINET_IF_FDDI_H
+
+#include <sys/packon.h>
+
+/*
+ * Structure of an 100Mb/s FDDI header.
+ */
+struct fddi_header {
+ u_char fddi_fc;
+ u_char fddi_dhost[6];
+ u_char fddi_shost[6];
+};
+
+#include <sys/packoff.h>
+
+#define FDDIIPMTU 4352
+#define FDDIMTU 4470
+#define FDDIMIN 3
+
+#define FDDIFC_C 0x80 /* 0b10000000 */
+#define FDDIFC_L 0x40 /* 0b01000000 */
+#define FDDIFC_F 0x30 /* 0b00110000 */
+#define FDDIFC_Z 0x0F /* 0b00001111 */
+
+#define FDDIFC_LLC_ASYNC 0x50
+#define FDDIFC_LLC_PRIO0 0
+#define FDDIFC_LLC_PRIO1 1
+#define FDDIFC_LLC_PRIO2 2
+#define FDDIFC_LLC_PRIO3 3
+#define FDDIFC_LLC_PRIO4 4
+#define FDDIFC_LLC_PRIO5 5
+#define FDDIFC_LLC_PRIO6 6
+#define FDDIFC_LLC_PRIO7 7
+#define FDDIFC_LLC_SYNC 0xd0
+#define FDDIFC_SMT 0x40
+
+#endif