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authorAnas Nashif <anas.nashif@intel.com>2012-11-06 16:27:42 -0800
committerAnas Nashif <anas.nashif@intel.com>2012-11-06 16:27:42 -0800
commitbbace1d4c8912a4a02cc0322e2cbed1901c62d96 (patch)
treec9c56c419b556c51ba05eb6d9f7f37fc1791f1c5 /fddi.h
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Imported Upstream version 4.3.0upstream/4.3.0
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+/*
+ * Copyright (c) 1992, 1993, 1994, 1995, 1996
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code distributions
+ * retain the above copyright notice and this paragraph in its entirety, (2)
+ * distributions including binary code include the above copyright notice and
+ * this paragraph in its entirety in the documentation or other materials
+ * provided with the distribution, and (3) all advertising materials mentioning
+ * features or use of this software display the following acknowledgement:
+ * ``This product includes software developed by the University of California,
+ * Lawrence Berkeley Laboratory and its contributors.'' 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * @(#) $Header: /tcpdump/master/tcpdump/fddi.h,v 1.11 2002-12-11 07:13:51 guy Exp $ (LBL)
+ */
+
+/*
+ * Based on Ultrix if_fddi.h
+ */
+
+/*
+ * This stuff should come from a system header file, but there's no
+ * obviously portable way to do that and it's not really going
+ * to change from system to system (except for the padding business).
+ */
+
+struct fddi_header {
+ u_char fddi_fc; /* frame control */
+ u_char fddi_dhost[6];
+ u_char fddi_shost[6];
+};
+
+/*
+ * Length of an FDDI header; note that some compilers may pad
+ * "struct fddi_header" to a multiple of 4 bytes, for example, so
+ * "sizeof (struct fddi_header)" may not give the right
+ * answer.
+ */
+#define FDDI_HDRLEN 13
+
+/* Useful values for fddi_fc (frame control) field */
+
+/*
+ * FDDI Frame Control bits
+ */
+#define FDDIFC_C 0x80 /* Class bit */
+#define FDDIFC_L 0x40 /* Address length bit */
+#define FDDIFC_F 0x30 /* Frame format bits */
+#define FDDIFC_Z 0x0f /* Control bits */
+
+/*
+ * FDDI Frame Control values. (48-bit addressing only).
+ */
+#define FDDIFC_VOID 0x40 /* Void frame */
+#define FDDIFC_NRT 0x80 /* Nonrestricted token */
+#define FDDIFC_RT 0xc0 /* Restricted token */
+#define FDDIFC_SMT_INFO 0x41 /* SMT Info */
+#define FDDIFC_SMT_NSA 0x4F /* SMT Next station adrs */
+#define FDDIFC_MAC_BEACON 0xc2 /* MAC Beacon frame */
+#define FDDIFC_MAC_CLAIM 0xc3 /* MAC Claim frame */
+#define FDDIFC_LLC_ASYNC 0x50 /* Async. LLC frame */
+#define FDDIFC_LLC_SYNC 0xd0 /* Sync. LLC frame */
+#define FDDIFC_IMP_ASYNC 0x60 /* Implementor Async. */
+#define FDDIFC_IMP_SYNC 0xe0 /* Implementor Synch. */
+#define FDDIFC_SMT 0x40 /* SMT frame */
+#define FDDIFC_MAC 0xc0 /* MAC frame */
+
+#define FDDIFC_CLFF 0xF0 /* Class/Length/Format bits */
+#define FDDIFC_ZZZZ 0x0F /* Control bits */