mirror of
https://github.com/the-tcpdump-group/tcpdump.git
synced 2024-12-18 06:14:06 +08:00
154 lines
4.3 KiB
C
154 lines
4.3 KiB
C
/*
|
|
* 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: /tcpdump/master/tcpdump/llc.h,v 1.15 2002-11-09 17:19:21 itojun 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;
|
|
} __attribute__((packed));
|
|
|
|
#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 OUI_CISCO_90 0x0000f8 /* Cisco bridging */
|
|
#define OUI_RFC2684 0x0080c2 /* RFC 2684 bridged Ethernet */
|
|
#define OUI_APPLETALK 0x080007 /* Appletalk */
|
|
|
|
/*
|
|
* PIDs for use with OUI_CISCO.
|
|
*/
|
|
#define PID_CISCO_CDP 0x2000 /* Cisco Discovery Protocol */
|
|
|
|
/*
|
|
* PIDs for use with OUI_RFC2684.
|
|
*/
|
|
#define PID_RFC2684_ETH_FCS 0x0001 /* Ethernet, with FCS */
|
|
#define PID_RFC2684_ETH_NOFCS 0x0007 /* Ethernet, without FCS */
|
|
#define PID_RFC2684_802_4_FCS 0x0002 /* 802.4, with FCS */
|
|
#define PID_RFC2684_802_4_NOFCS 0x0008 /* 802.4, without FCS */
|
|
#define PID_RFC2684_802_5_FCS 0x0003 /* 802.5, with FCS */
|
|
#define PID_RFC2684_802_5_NOFCS 0x0009 /* 802.5, without FCS */
|
|
#define PID_RFC2684_FDDI_FCS 0x0004 /* FDDI, with FCS */
|
|
#define PID_RFC2684_FDDI_NOFCS 0x000a /* FDDI, without FCS */
|
|
#define PID_RFC2684_802_6_FCS 0x0005 /* 802.6, with FCS */
|
|
#define PID_RFC2684_802_6_NOFCS 0x000b /* 802.6, without FCS */
|
|
#define PID_RFC2684_BPDU 0x000e /* BPDUs */
|
|
|