contrib/tcpdump/llc.h

   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
  22 /*
  23  * Definitions for information in the LLC header.
  24  */
  25
  26 #define LLC_U_FMT       3
  27 #define LLC_GSAP        1
  28 #define LLC_IG          1 /* Individual / Group */
  29 #define LLC_S_FMT       1
  30
  31 #define LLC_U_POLL      0x10
  32 #define LLC_IS_POLL     0x0100
  33 #define LLC_XID_FI      0x81
  34
  35 #define LLC_U_CMD(u)    ((u) & 0xef)
  36 #define LLC_UI          0x03
  37 #define LLC_UA          0x63
  38 #define LLC_DISC        0x43
  39 #define LLC_DM          0x0f
  40 #define LLC_SABME       0x6f
  41 #define LLC_TEST        0xe3
  42 #define LLC_XID         0xaf
  43 #define LLC_FRMR        0x87
  44
  45 #define LLC_S_CMD(is)   (((is) >> 2) & 0x03)
  46 #define LLC_RR          0x0001
  47 #define LLC_RNR         0x0005
  48 #define LLC_REJ         0x0009
  49
  50 #define LLC_IS_NR(is)   (((is) >> 9) & 0x7f)
  51 #define LLC_I_NS(is)    (((is) >> 1) & 0x7f)
  52
  53 #ifndef LLCSAP_NULL
  54 #define LLCSAP_NULL             0x00
  55 #endif
  56 #ifndef LLCSAP_GLOBAL
  57 #define LLCSAP_GLOBAL           0xff
  58 #endif
  59 #ifndef LLCSAP_8021B_I
  60 #define LLCSAP_8021B_I          0x02
  61 #endif
  62 #ifndef LLCSAP_8021B_G
  63 #define LLCSAP_8021B_G          0x03
  64 #endif
  65 #ifndef LLCSAP_SNA
  66 #define LLCSAP_SNA              0x04
  67 #endif
  68 #ifndef LLCSAP_IP
  69 #define LLCSAP_IP               0x06
  70 #endif
  71 #ifndef LLCSAP_PROWAYNM
  72 #define LLCSAP_PROWAYNM         0x0e
  73 #endif
  74 #ifndef LLCSAP_8021D
  75 #define LLCSAP_8021D            0x42
  76 #endif
  77 #ifndef LLCSAP_RS511
  78 #define LLCSAP_RS511            0x4e
  79 #endif
  80 #ifndef LLCSAP_ISO8208
  81 #define LLCSAP_ISO8208          0x7e
  82 #endif
  83 #ifndef LLCSAP_PROWAY
  84 #define LLCSAP_PROWAY           0x8e
  85 #endif
  86 #ifndef LLCSAP_SNAP
  87 #define LLCSAP_SNAP             0xaa
  88 #endif
  89 #ifndef LLCSAP_IPX
  90 #define LLCSAP_IPX              0xe0
  91 #endif
  92 #ifndef LLCSAP_NETBEUI
  93 #define LLCSAP_NETBEUI          0xf0
  94 #endif
  95 #ifndef LLCSAP_ISONS
  96 #define LLCSAP_ISONS            0xfe
  97 #endif
  98
  99 /*
 100  * PIDs for use with OUI_CISCO.
 101  */
 102 #define PID_CISCO_CDP           0x2000  /* Cisco Discovery Protocol */
 103 #define PID_CISCO_VTP           0x2003  /* Cisco VLAN Trunk Protocol */
 104 #define PID_CISCO_DTP           0x2004  /* Cisco Dynamic Trunk Protocol */
 105 #define PID_CISCO_UDLD          0x0111  /* Unidirectional Link Detection */
 106 #define PID_CISCO_PVST          0x010b  /* Per VLAN Spanning Tree+ and RPVST+ */
 107 #define PID_CISCO_VLANBRIDGE    0x010c  /* "VLAN Bridge", according to Wireshark */
 108
 109 /*
 110  * PIDs for use with OUI_RFC2684.
 111  */
 112 #define PID_RFC2684_ETH_FCS     0x0001  /* Ethernet, with FCS */
 113 #define PID_RFC2684_ETH_NOFCS   0x0007  /* Ethernet, without FCS */
 114 #define PID_RFC2684_802_4_FCS   0x0002  /* 802.4, with FCS */
 115 #define PID_RFC2684_802_4_NOFCS 0x0008  /* 802.4, without FCS */
 116 #define PID_RFC2684_802_5_FCS   0x0003  /* 802.5, with FCS */
 117 #define PID_RFC2684_802_5_NOFCS 0x0009  /* 802.5, without FCS */
 118 #define PID_RFC2684_FDDI_FCS    0x0004  /* FDDI, with FCS */
 119 #define PID_RFC2684_FDDI_NOFCS  0x000a  /* FDDI, without FCS */
 120 #define PID_RFC2684_802_6_FCS   0x0005  /* 802.6, with FCS */
 121 #define PID_RFC2684_802_6_NOFCS 0x000b  /* 802.6, without FCS */
 122 #define PID_RFC2684_BPDU        0x000e  /* BPDUs */