epan/dissectors/packet-isis.h

   1 /* packet-isis.h
   2  * Defines and such for core isis protcol decode.
   3  *
   4  * Stuart Stanley <stuarts@mxmail.net>
   5  *
   6  * Wireshark - Network traffic analyzer
   7  * By Gerald Combs <gerald@wireshark.org>
   8  * Copyright 1998 Gerald Combs
   9  *
  10  * SPDX-License-Identifier: GPL-2.0-or-later
  11  */
  12
  13 #ifndef _PACKET_ISIS_H
  14 #define _PACKET_ISIS_H
  15
  16 /*
  17  * The version we support is 1
  18  */
  19 #define ISIS_REQUIRED_VERSION 1
  20
  21 /*
  22  * ISIS type field values
  23  */
  24 #define ISIS_TYPE_L1_HELLO  15
  25 #define ISIS_TYPE_L2_HELLO  16
  26 #define ISIS_TYPE_PTP_HELLO 17
  27 #define ISIS_TYPE_L1_LSP    18
  28 #define ISIS_TYPE_L2_LSP    20
  29 #define ISIS_TYPE_L1_CSNP   24
  30 #define ISIS_TYPE_L2_CSNP   25
  31 #define ISIS_TYPE_L1_PSNP   26
  32 #define ISIS_TYPE_L2_PSNP   27
  33
  34 #define ISIS_TYPE_MASK             0x1f
  35 #define ISIS_TYPE_RESERVED_MASK 0xe0
  36
  37 /*
  38  * Data given to subdissectors
  39  */
  40 typedef struct isis_data {
  41     uint8_t header_length;
  42     uint8_t system_id_len;
  43     uint16_t pdu_length;
  44     proto_item *header_length_item;
  45     expert_field *ei_bad_header_length;
  46 } isis_data_t;
  47
  48 extern int hf_isis_clv_key_id;
  49
  50 #endif /* _PACKET_ISIS_H */
  51
  52 /*
  53  * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
  54  *
  55  * Local variables:
  56  * c-basic-offset: 4
  57  * tab-width: 8
  58  * indent-tabs-mode: nil
  59  * End:
  60  *
  61  * vi: set shiftwidth=4 tabstop=8 expandtab:
  62  * :indentSize=4:tabSize=8:noTabs=true:
  63  */