Initial commitHEADsubmit/2.0alpha/20130201.023154accepted/2.0alpha/20130201.0205362.0alpha

1 files changed, 132 insertions, 0 deletions

diff --git a/llc.h b/llc.h
new file mode 100644
index 0000000..fbecfb6
--- /dev/null
+++ b/llc.h
@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 1993, 1994, 1997
+ *	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: /home/pdw/vcvs/repos/iftop/llc.h,v 1.2 2003/06/06 22:42:35 pdw Exp $ (LBL)
+ */
+
+/*
+ * 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.
+ */
+
+/*
+ * A somewhat abstracted view of the LLC header
+ */
+
+struct llc {
+	u_int8_t dsap;
+	u_int8_t ssap;
+	union {
+		u_int8_t u_ctl;
+		u_int16_t is_ctl;
+		struct {
+			u_int8_t snap_ui;
+			u_int8_t snap_pi[5];
+		} snap;
+		struct {
+			u_int8_t snap_ui;
+			u_int8_t snap_orgcode[3];
+			u_int8_t snap_ethertype[2];
+		} snap_ether;
+	} ctl;
+};
+
+#define	llcui		ctl.snap.snap_ui
+#define	llcpi		ctl.snap.snap_pi
+#define	llc_orgcode	ctl.snap_ether.snap_orgcode
+#define	llc_ethertype	ctl.snap_ether.snap_ethertype
+#define	llcis		ctl.is_ctl
+#define	llcu		ctl.u_ctl
+
+#define	LLC_U_FMT	3
+#define	LLC_GSAP	1
+#define LLC_S_FMT	1
+
+#define	LLC_U_POLL	0x10
+#define	LLC_IS_POLL	0x0100
+#define	LLC_XID_FI	0x81
+
+#define	LLC_U_CMD(u)	((u) & 0xef)
+#define	LLC_UI		0x03
+#define	LLC_UA		0x63
+#define	LLC_DISC	0x43
+#define	LLC_DM		0x0f
+#define	LLC_SABME	0x6f
+#define	LLC_TEST	0xe3
+#define	LLC_XID		0xaf
+#define	LLC_FRMR	0x87
+
+#define	LLC_S_CMD(is)	(((is) >> 1) & 0x03)
+#define	LLC_RR		0x0001
+#define	LLC_RNR		0x0005
+#define	LLC_REJ		0x0009
+
+#define LLC_IS_NR(is)	(((is) >> 9) & 0x7f)
+#define LLC_I_NS(is)	(((is) >> 1) & 0x7f)
+
+#ifndef LLCSAP_NULL
+#define	LLCSAP_NULL		0x00
+#endif
+#ifndef LLCSAP_GLOBAL
+#define	LLCSAP_GLOBAL		0xff
+#endif
+#ifndef LLCSAP_8021B_I
+#define	LLCSAP_8021B_I		0x02
+#endif
+#ifndef LLCSAP_8021B_G
+#define	LLCSAP_8021B_G		0x03
+#endif
+#ifndef LLCSAP_IP
+#define	LLCSAP_IP		0x06
+#endif
+#ifndef LLCSAP_PROWAYNM
+#define	LLCSAP_PROWAYNM		0x0e
+#endif
+#ifndef LLCSAP_8021D
+#define	LLCSAP_8021D		0x42
+#endif
+#ifndef LLCSAP_RS511
+#define	LLCSAP_RS511		0x4e
+#endif
+#ifndef LLCSAP_ISO8208
+#define	LLCSAP_ISO8208		0x7e
+#endif
+#ifndef LLCSAP_PROWAY
+#define	LLCSAP_PROWAY		0x8e
+#endif
+#ifndef LLCSAP_SNAP
+#define	LLCSAP_SNAP		0xaa
+#endif
+#ifndef LLCSAP_IPX
+#define LLCSAP_IPX		0xe0
+#endif
+#ifndef LLCSAP_NETBEUI
+#define LLCSAP_NETBEUI		0xf0
+#endif
+#ifndef LLCSAP_ISONS
+#define	LLCSAP_ISONS		0xfe
+#endif
+
+#define	OUI_ENCAP_ETHER	0x000000	/* encapsulated Ethernet */
+#define	OUI_CISCO	0x00000c	/* Cisco protocols */
+#define	ETHERTYPE_CISCO_CDP	0x2000	/* Cisco Discovery Protocol */
+#define	OUI_CISCO_90	0x0000f8	/* Cisco bridging */
+#define	OUI_APPLETALK	0x080007	/* Appletalk */