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   1 /*
   2  * Copyright (c) 1993, 1994, 1997
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that: (1) source code distributions
   7  * retain the above copyright notice and this paragraph in its entirety, (2)
   8  * distributions including binary code include the above copyright notice and
   9  * this paragraph in its entirety in the documentation or other materials
  10  * provided with the distribution, and (3) all advertising materials mentioning
  11  * features or use of this software display the following acknowledgement:
  12  * ``This product includes software developed by the University of California,
  13  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
  14  * the University nor the names of its contributors may be used to endorse
  15  * or promote products derived from this software without specific prior
  16  * written permission.
  17  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  18  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  20  *
  21  * @(#) $Header: /tcpdump/master/tcpdump/llc.h,v 1.18 2005-04-26 07:26:33 guy Exp $ (LBL)
  22  */
  23
  24 /*
  25  * Definitions for information in the LLC header.
  26  */
  27
  28 #define LLC_U_FMT       3
  29 #define LLC_GSAP        1
  30 #define LLC_S_FMT       1
  31
  32 #define LLC_U_POLL      0x10
  33 #define LLC_IS_POLL     0x0100
  34 #define LLC_XID_FI      0x81
  35
  36 #define LLC_U_CMD(u)    ((u) & 0xef)
  37 #define LLC_UI          0x03
  38 #define LLC_UA          0x63
  39 #define LLC_DISC        0x43
  40 #define LLC_DM          0x0f
  41 #define LLC_SABME       0x6f
  42 #define LLC_TEST        0xe3
  43 #define LLC_XID         0xaf
  44 #define LLC_FRMR        0x87
  45
  46 #define LLC_S_CMD(is)   (((is) >> 1) & 0x03)
  47 #define LLC_RR          0x0001
  48 #define LLC_RNR         0x0005
  49 #define LLC_REJ         0x0009
  50
  51 #define LLC_IS_NR(is)   (((is) >> 9) & 0x7f)
  52 #define LLC_I_NS(is)    (((is) >> 1) & 0x7f)
  53
  54 #ifndef LLCSAP_NULL
  55 #define LLCSAP_NULL             0x00
  56 #endif
  57 #ifndef LLCSAP_GLOBAL
  58 #define LLCSAP_GLOBAL           0xff
  59 #endif
  60 #ifndef LLCSAP_8021B_I
  61 #define LLCSAP_8021B_I          0x02
  62 #endif
  63 #ifndef LLCSAP_8021B_G
  64 #define LLCSAP_8021B_G          0x03
  65 #endif
  66 #ifndef LLCSAP_IP
  67 #define LLCSAP_IP               0x06
  68 #endif
  69 #ifndef LLCSAP_PROWAYNM
  70 #define LLCSAP_PROWAYNM         0x0e
  71 #endif
  72 #ifndef LLCSAP_8021D
  73 #define LLCSAP_8021D            0x42
  74 #endif
  75 #ifndef LLCSAP_RS511
  76 #define LLCSAP_RS511            0x4e
  77 #endif
  78 #ifndef LLCSAP_ISO8208
  79 #define LLCSAP_ISO8208          0x7e
  80 #endif
  81 #ifndef LLCSAP_PROWAY
  82 #define LLCSAP_PROWAY           0x8e
  83 #endif
  84 #ifndef LLCSAP_SNAP
  85 #define LLCSAP_SNAP             0xaa
  86 #endif
  87 #ifndef LLCSAP_IPX
  88 #define LLCSAP_IPX              0xe0
  89 #endif
  90 #ifndef LLCSAP_NETBEUI
  91 #define LLCSAP_NETBEUI          0xf0
  92 #endif
  93 #ifndef LLCSAP_ISONS
  94 #define LLCSAP_ISONS            0xfe
  95 #endif
  96
  97 /*
  98  * PIDs for use with OUI_CISCO.
  99  */
 100 #define PID_CISCO_CDP           0x2000  /* Cisco Discovery Protocol */
 101
 102 /*
 103  * PIDs for use with OUI_RFC2684.
 104  */
 105 #define PID_RFC2684_ETH_FCS     0x0001  /* Ethernet, with FCS */
 106 #define PID_RFC2684_ETH_NOFCS   0x0007  /* Ethernet, without FCS */
 107 #define PID_RFC2684_802_4_FCS   0x0002  /* 802.4, with FCS */
 108 #define PID_RFC2684_802_4_NOFCS 0x0008  /* 802.4, without FCS */
 109 #define PID_RFC2684_802_5_FCS   0x0003  /* 802.5, with FCS */
 110 #define PID_RFC2684_802_5_NOFCS 0x0009  /* 802.5, without FCS */
 111 #define PID_RFC2684_FDDI_FCS    0x0004  /* FDDI, with FCS */
 112 #define PID_RFC2684_FDDI_NOFCS  0x000a  /* FDDI, without FCS */
 113 #define PID_RFC2684_802_6_FCS   0x0005  /* 802.6, with FCS */
 114 #define PID_RFC2684_802_6_NOFCS 0x000b  /* 802.6, without FCS */
 115 #define PID_RFC2684_BPDU        0x000e  /* BPDUs */