epan/dissectors/packet-lldp.h

   1 /* packet-lldp.h
   2  * Routines for LLDP dissection
   3  * By Juan Gonzalez <juan.gonzalez@pikatech.com>
   4  * Copyright 2005 MITEL
   5  *
   6  * July 2005
   7  * Modified by: Brian Bogora <brian_bogora@mitel.com>
   8  *
   9  * $Id$
  10  *
  11  * Wireshark - Network traffic analyzer
  12  * By Gerald Combs <gerald@wireshark.org>
  13  * Copyright 1998 Gerald Combs
  14  *
  15  * This program is free software; you can redistribute it and/or
  16  * modify it under the terms of the GNU General Public License
  17  * as published by the Free Software Foundation; either version 2
  18  * of the License, or (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, write to the Free Software
  27  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  28  */
  29 #ifndef PACKET_LLDP_H__
  30 #define PACKET_LLDP_H__
  31
  32 #include "oui.h"
  33
  34 static const value_string tlv_oui_subtype_vals[] = {
  35         /* Currently, the manuf file calls this "Ieee8021"; "IEEE 802.1" looks better */
  36         { OUI_IEEE_802_1,       "IEEE 802.1" },
  37         /* Currently, the manuf file calls this "Ieee8023"; "IEEE 802.3" looks better */
  38         { OUI_IEEE_802_3,       "IEEE 802.3" },
  39         /* Currently, the manuf file calls this "Telecomm"; "TIA TR-41 Committee" looks better */
  40         { OUI_MEDIA_ENDPOINT,   "TIA TR-41 Committee" },
  41         /* Currently, the manuf file calls this "Profibus" */
  42         { OUI_PROFINET,         "PROFINET" },
  43         /* Currently, the manuf file calls this "Procurve", as it's assigned to HP! */
  44         { OUI_IEEE_802_1QBG,    "IEEE 802.1Qbg" },
  45         { 0, NULL }
  46 };
  47
  48 /* TLV Types */
  49 #define END_OF_LLDPDU_TLV_TYPE                  0x00    /* Mandatory */
  50 #define CHASSIS_ID_TLV_TYPE                             0x01    /* Mandatory */
  51 #define PORT_ID_TLV_TYPE                                0x02    /* Mandatory */
  52 #define TIME_TO_LIVE_TLV_TYPE                   0x03    /* Mandatory */
  53 #define PORT_DESCRIPTION_TLV_TYPE               0x04
  54 #define SYSTEM_NAME_TLV_TYPE                    0x05
  55 #define SYSTEM_DESCRIPTION_TLV_TYPE             0x06
  56 #define SYSTEM_CAPABILITIES_TLV_TYPE    0x07
  57 #define MANAGEMENT_ADDR_TLV_TYPE                0x08
  58 #define ORGANIZATION_SPECIFIC_TLV_TYPE  0x7F
  59
  60 /* Masks */
  61 #define TLV_TYPE_MASK           0xFE00
  62 #define TLV_TYPE(value)         (((value) & TLV_TYPE_MASK) >> 9)
  63 #define TLV_INFO_LEN_MASK       0x01FF
  64 #define TLV_INFO_LEN(value)     ((value) & TLV_INFO_LEN_MASK)
  65
  66 /* IEEE 802.1Qbg Subtypes */
  67 static const value_string ieee_802_1qbg_subtypes[] = {
  68         { 0x00, "EVB" },
  69         { 0x01, "CDCP" },
  70         { 0x02, "VDP" },
  71         { 0, NULL }
  72 };
  73
  74 gint32 dissect_lldp_end_of_lldpdu(tvbuff_t *, packet_info *, proto_tree *, guint32);
  75
  76 #endif /* PACKET_LLDP_H__ */