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/* packet-v5ua.c
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*
* Extension of all V5 .2 - User Adaptation Layer dissection elements
* References :
* RFC 3807
* RFC 4233
* RFC 5133
*
* Copyright 2009
*
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* ISKRATEL d . o . o . | 4 S d . o . o .
* http : //www.iskratel.si/ | http://www.4es.si/
* < info @ iskratel . si > | < projects @ 4 es . si >
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* Vladimir Smrekar < vladimir . smrekar @ gmail . com >
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*
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* Routines for V5 .2 - User Adaptation Layer dissection
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*
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* Extension of ISDN Q .921 - User Adaptation Layer dissection
* Copyright 2002 , Michael Tuexen < Michael . Tuexen [ AT ] siemens . com >
*
* Christoph Neusch < christoph . neusch @ nortelnetworks . com >
*
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* Wireshark - Network traffic analyzer
* By Gerald Combs < gerald @ wireshark . org >
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* Copyright 1998 Gerald Combs
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*
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* This program is free software ; you can redistribute it and / or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation ; either version 2
* of the License , or ( at your option ) any later version .
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*
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* This program is distributed in the hope that it will be useful ,
* but WITHOUT ANY WARRANTY ; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the
* GNU General Public License for more details .
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*
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* You should have received a copy of the GNU General Public License
* along with this program ; if not , write to the Free Software
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* Foundation , Inc . , 51 Franklin Street , Fifth Floor , Boston , MA 02110 - 1301 USA .
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*/
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# include "config.h"
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# include <glib.h>
# include <epan/packet.h>
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# include <epan/addr_resolv.h>
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# include <epan/strutil.h>
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# include <epan/sctpppids.h> /* include V5UA payload protocol ID */
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void proto_register_v5ua ( void ) ;
void proto_reg_handoff_v5ua ( void ) ;
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static int paddingl = 0 ;
static int dlci_efa = - 1 ;
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/* Initialize the protocol and registered fields */
static int proto_v5ua = - 1 ;
static dissector_handle_t q931_handle ;
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static dissector_handle_t v52_handle ;
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/* round up parameter length to multiple of four */
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# define ADD_PADDING(x) ((((x) + 3) >> 2) << 2)
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/* common msg-header */
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static int hf_version = - 1 ;
static int hf_reserved = - 1 ;
static int hf_msg_class = - 1 ;
static int hf_msg_type = - 1 ;
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/* static int hf_msg_type_id = -1; */
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static int hf_msg_length = - 1 ;
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/* V5UA message header */
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static int hf_link_id = - 1 ;
static int hf_chnl_id = - 1 ;
static int hf_adaptation_layer_id = - 1 ;
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static int hf_text_if_id = - 1 ;
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static int hf_scn_protocol_id = - 1 ;
static int hf_info_string = - 1 ;
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static int hf_asp_identifier = - 1 ;
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static int hf_dlci_zero_bit = - 1 ;
static int hf_dlci_spare_bit = - 1 ;
static int hf_dlci_sapi = - 1 ;
static int hf_dlci_one_bit = - 1 ;
static int hf_dlci_tei = - 1 ;
static int hf_efa = - 1 ;
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/* static int hf_spare_efa = -1; */
/* variable length parameter (msg) */
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static int hf_parameter_tag = - 1 ;
static int hf_parameter_tag_draft = - 1 ;
static int hf_parameter_length = - 1 ;
static int hf_parameter_value = - 1 ;
static int hf_parameter_padding = - 1 ;
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/* parameter fields */
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static int hf_link_status = - 1 ;
static int hf_sa_bit_id = - 1 ;
static int hf_sa_bit_value = - 1 ;
static int hf_diagnostic_info = - 1 ;
static int hf_if_range_start = - 1 ;
static int hf_if_range_end = - 1 ;
static int hf_heartbeat_data = - 1 ;
static int hf_traffic_mode_type = - 1 ;
static int hf_error_code = - 1 ;
static int hf_draft_error_code = - 1 ;
static int hf_status_type = - 1 ;
static int hf_status_id = - 1 ;
static int hf_error_reason = - 1 ;
static int hf_asp_reason = - 1 ;
static int hf_tei_status = - 1 ;
static int hf_tei_draft_status = - 1 ;
static int hf_release_reason = - 1 ;
/* Initialize the subtree pointers */
static gint ett_v5ua = - 1 ;
static gint ett_v5ua_common_header = - 1 ;
static gint ett_v5ua_parameter = - 1 ;
static gint ett_v5ua_layer3 = - 1 ;
# define RFC 0x1
# define DRAFT 0x2
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/* Version of IUA */
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static int iua_version = RFC ;
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/* Variables necessary for dissection of draft messages */
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static int msg_class = - 1 ;
static int msg_type = - 1 ;
static int msg_length = - 1 ;
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static int messageclassCopy = - 1 ;
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static int sa_bit_id = - 1 ;
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static int link_status_operational = - 1 ;
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/* Code to actually dissect the packets */
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/* define the parameters for the Tags: Tag-Type,Tag-Length,Tag-Value (Payload) */
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# define PARAMETER_TAG_OFFSET 0
# define PARAMETER_TAG_LENGTH 2
# define PARAMETER_LENGTH_OFFSET (PARAMETER_TAG_OFFSET + PARAMETER_TAG_LENGTH)
# define PARAMETER_LENGTH_LENGTH 2
# define PARAMETER_VALUE_OFFSET (PARAMETER_LENGTH_OFFSET + PARAMETER_LENGTH_LENGTH)
# define PARAMETER_HEADER_OFFSET PARAMETER_TAG_OFFSET
# define PARAMETER_HEADER_LENGTH (PARAMETER_TAG_LENGTH + PARAMETER_LENGTH_LENGTH)
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/*----------------------V5UA Interface Identifier (int) (Draft,RFC)------------*/
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/* define parameter for the format of the integer formatted Interface Identifier */
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# define INT_IF_ID_LINK_OFFSET PARAMETER_VALUE_OFFSET
# define INT_IF_ID_LINK_LENGTH 4
# define INT_IF_ID_CHNL_OFFSET INT_IF_ID_LINK_OFFSET
# define INT_IF_ID_CHNL_LENGTH 1
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# define INT_INTERFACE_ID_LENGTH 4
static int linkIdentifier = - 1 ;
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static void
dissect_int_interface_identifier_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item )
{
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guint32 identifier ;
guint16 number_of_ids , id_number ;
gint offset ;
number_of_ids = ( tvb_get_ntohs ( parameter_tvb , PARAMETER_LENGTH_OFFSET ) - PARAMETER_HEADER_LENGTH ) / INT_INTERFACE_ID_LENGTH ;
offset = INT_IF_ID_LINK_OFFSET ;
proto_item_append_text ( parameter_item , " ( " ) ;
for ( id_number = 0 ; id_number < number_of_ids ; id_number + + ) {
proto_tree_add_item ( parameter_tree , hf_link_id , parameter_tvb , offset , INT_IF_ID_LINK_LENGTH , ENC_BIG_ENDIAN ) ;
identifier = tvb_get_ntohl ( parameter_tvb , offset ) > > 5 ;
if ( id_number < 1 ) {
proto_item_append_text ( parameter_item , " L:%d " , identifier ) ;
} else {
proto_item_append_text ( parameter_item , " | L:%d " , identifier ) ;
}
linkIdentifier = identifier ;
proto_tree_add_item ( parameter_tree , hf_chnl_id , parameter_tvb , offset + 3 , INT_IF_ID_CHNL_LENGTH , ENC_BIG_ENDIAN ) ;
identifier = tvb_get_guint8 ( parameter_tvb , offset + 3 ) & 0x1f ;
proto_item_append_text ( parameter_item , " C:%d " , identifier ) ;
offset + = INT_INTERFACE_ID_LENGTH ;
}
proto_item_append_text ( parameter_item , " ) " ) ;
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}
/*----------------------V5UA Interface Identifier (int) (Draft,RFC)------------*/
/*----------------------Text Interface Identifier (RFC)------------------------*/
# define TEXT_IF_ID_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
# define TEXT_IF_ID_VALUE_OFFSET PARAMETER_VALUE_OFFSET
# define TEXT_IF_ID_HEADER_LENGTH PARAMETER_HEADER_LENGTH
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static void
dissect_text_interface_identifier_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item )
{
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guint16 if_id_length ;
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if_id_length = tvb_get_ntohs ( parameter_tvb , TEXT_IF_ID_LENGTH_OFFSET ) - TEXT_IF_ID_HEADER_LENGTH ;
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proto_tree_add_item ( parameter_tree , hf_text_if_id , parameter_tvb , TEXT_IF_ID_VALUE_OFFSET , if_id_length , ENC_ASCII | ENC_NA ) ;
proto_item_append_text ( parameter_item , " (0x%.*s) " , if_id_length ,
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tvb_get_string_enc ( wmem_packet_scope ( ) , parameter_tvb , TEXT_IF_ID_VALUE_OFFSET , if_id_length , ENC_ASCII ) ) ;
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}
/*----------------------Text Interface Identifier (RFC)------------------------*/
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/*----------------------DLCI & Envelope Function Address------------------------*/
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/* interpretation of EFA-values */
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static const value_string efa_values [ ] = {
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{ 8175 , " ISDN Protocol " } ,
{ 8176 , " PSTN Protocol " } ,
{ 8177 , " CONTROL Protocol " } ,
{ 8178 , " BCC Protocol " } ,
{ 8179 , " PROT Protocol " } ,
{ 8180 , " Link Control Protocol " } ,
{ 8191 , " VALUE RESERVED " } ,
{ 0 , NULL } } ;
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# define DLCI_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
# define DLCI_SAPI_OFFSET PARAMETER_VALUE_OFFSET
# define DLCI_HEADER_LENGTH PARAMETER_HEADER_LENGTH
# define DLCI_SAPI_LENGTH 1
# define DLCI_TEI_LENGTH 1
# define EFA_LENGTH 2
static void
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dissect_dlci_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item , packet_info * pinfo )
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{
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guint16 efa = 0 , offset = 0 ;
guint8 sapi = - 1 ;
guint8 tei = - 1 ;
if ( iua_version = = RFC ) offset = DLCI_SAPI_OFFSET ;
else if ( iua_version = = DRAFT ) offset = DLCI_HEADER_LENGTH + tvb_get_ntohs ( parameter_tvb , DLCI_LENGTH_OFFSET ) ;
proto_tree_add_item ( parameter_tree , hf_dlci_zero_bit , parameter_tvb , offset , DLCI_SAPI_LENGTH , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( parameter_tree , hf_dlci_spare_bit , parameter_tvb , offset , DLCI_SAPI_LENGTH , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( parameter_tree , hf_dlci_sapi , parameter_tvb , offset , DLCI_SAPI_LENGTH , ENC_BIG_ENDIAN ) ;
offset + = DLCI_SAPI_LENGTH ;
proto_tree_add_item ( parameter_tree , hf_dlci_one_bit , parameter_tvb , offset , DLCI_TEI_LENGTH , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( parameter_tree , hf_dlci_tei , parameter_tvb , offset , DLCI_TEI_LENGTH , ENC_BIG_ENDIAN ) ;
sapi = tvb_get_ntohs ( parameter_tvb , offset - DLCI_TEI_LENGTH - DLCI_SAPI_LENGTH ) > > 2 ;
tei = tvb_get_ntohs ( parameter_tvb , offset - DLCI_TEI_LENGTH ) > > 1 ;
/* if SAPI & TEI not set to ZERO, value of EFA must be decode (EFA = 0 -> ISDN protocol)*/
if ( tvb_get_ntohs ( parameter_tvb , offset - DLCI_TEI_LENGTH ) ! = 0x01 ) {
offset + = DLCI_TEI_LENGTH ;
efa = tvb_get_ntohs ( parameter_tvb , offset ) ;
dlci_efa = tvb_get_ntohs ( parameter_tvb , offset ) ;
if ( dlci_efa > = 0 & & dlci_efa < = 8175 ) { col_append_fstr ( pinfo - > cinfo , COL_INFO , " | ISDN: %u " , dlci_efa ) ; }
else if ( dlci_efa = = 8176 ) { col_append_str ( pinfo - > cinfo , COL_INFO , " | PSTN " ) ; }
else if ( dlci_efa = = 8177 ) { col_append_str ( pinfo - > cinfo , COL_INFO , " | Ctrl " ) ; }
else if ( dlci_efa = = 8178 ) { col_append_str ( pinfo - > cinfo , COL_INFO , " | BCC " ) ; }
else if ( dlci_efa = = 8179 ) { col_append_str ( pinfo - > cinfo , COL_INFO , " | ProtProt " ) ; }
else if ( dlci_efa = = 8180 ) { col_append_str ( pinfo - > cinfo , COL_INFO , " | LinkCtrl " ) ; }
if ( efa < = 8175 ) {
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proto_tree_add_uint_format_value ( parameter_tree , hf_efa , parameter_tvb , offset , EFA_LENGTH , efa ,
" ISDN (%u) " , efa ) ;
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proto_item_append_text ( parameter_item , " (SAPI:%u TEI:%u EFA:ISDN (%u)) " , sapi , tei , efa ) ;
}
else if ( efa > 8175 & & efa < = 8180 ) {
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proto_tree_add_uint_format_value ( parameter_tree , hf_efa , parameter_tvb , offset , EFA_LENGTH , efa ,
" %s (%u) " , val_to_str_const ( efa , efa_values , " unknown EFA " ) , tvb_get_ntohs ( parameter_tvb , offset ) ) ;
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proto_item_append_text ( parameter_item , " (SAPI:%u TEI:%u EFA:%s (%u)) " , sapi , tei , val_to_str_const ( efa , efa_values , " unknown EFA-value " ) , efa ) ;
}
else {
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proto_tree_add_uint_format_value ( parameter_tree , hf_efa , parameter_tvb , offset , EFA_LENGTH , efa ,
" RESERVED (%u) " , efa ) ;
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proto_item_append_text ( parameter_item , " (SAPI:%u TEI:%u EFA:RESERVED (%u)) " , sapi , tei , efa ) ;
}
}
/* if SAPI & TEI set to ZERO, EFA also shall be set to ZERO and didn't comply with value for ISDN protocol */
else {
offset + = DLCI_TEI_LENGTH ;
efa = tvb_get_ntohs ( parameter_tvb , offset ) ;
dlci_efa = tvb_get_ntohs ( parameter_tvb , offset ) ;
if ( dlci_efa > = 0 & & dlci_efa < = 8175 ) { col_append_fstr ( pinfo - > cinfo , COL_INFO , " | ISDN: %u " , dlci_efa ) ; }
else if ( dlci_efa = = 8176 ) { col_append_str ( pinfo - > cinfo , COL_INFO , " | PSTN " ) ; }
else if ( dlci_efa = = 8177 ) { col_append_str ( pinfo - > cinfo , COL_INFO , " | Ctrl " ) ; }
else if ( dlci_efa = = 8178 ) { col_append_str ( pinfo - > cinfo , COL_INFO , " | BCC " ) ; }
else if ( dlci_efa = = 8179 ) { col_append_str ( pinfo - > cinfo , COL_INFO , " | ProtProt " ) ; }
else if ( dlci_efa = = 8180 ) { col_append_str ( pinfo - > cinfo , COL_INFO , " | LinkCtrl " ) ; }
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if ( efa < = 8175 ) {
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proto_tree_add_uint_format_value ( parameter_tree , hf_efa , parameter_tvb , offset , EFA_LENGTH , efa ,
" ISDN (%u) " , efa ) ;
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proto_item_append_text ( parameter_item , " (SAPI:%u TEI:%u EFA:ISDN (%u)) " , sapi , tei , efa ) ;
}
else if ( efa > 8175 & & efa < = 8180 ) {
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proto_tree_add_uint_format_value ( parameter_tree , hf_efa , parameter_tvb , offset , EFA_LENGTH , efa ,
" %s (%u) " , val_to_str_const ( efa , efa_values , " unknown EFA " ) , tvb_get_ntohs ( parameter_tvb , offset ) ) ;
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proto_item_append_text ( parameter_item , " (SAPI:%u TEI:%u EFA:%s (%u)) " , sapi , tei , val_to_str_const ( efa , efa_values , " unknown EFA-value " ) , efa ) ;
}
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else {
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proto_tree_add_uint_format_value ( parameter_tree , hf_efa , parameter_tvb , offset , EFA_LENGTH , efa ,
" RESERVED (%u) " , efa ) ;
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proto_item_append_text ( parameter_item , " (SAPI:%u TEI:%u EFA:RESERVED (%u)) " , sapi , tei , efa ) ;
}
}
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}
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/*----------------------DLCI & Envelope Function Address------------------------*/
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/*----------------------Error Indication (Draft)-------------------------------*/
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/* define Error Code Parameter for Layer Management (MGMT) Messages */
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# define MGMT_ERROR_INVALID_TEI_DRAFT 0x00
# define MGMT_ERROR_INVALID_IFID_DRAFT 0x01
# define MGMT_ERROR_UNDEFINIED_MSG_DRAFT 0x02
# define MGMT_ERROR_VERSION_ERR_DRAFT 0x03
# define MGMT_ERROR_INVALID_STID_DRAFT 0x04
# define MGMT_ERROR_INVALID_SCNV_DRAFT 0x05
# define MGMT_ERROR_INVALID_ALI_DRAFT 0x06
static const value_string draft_error_code_values [ ] = {
{ MGMT_ERROR_INVALID_TEI_DRAFT , " Invalid TEI " } ,
{ MGMT_ERROR_INVALID_IFID_DRAFT , " Invalid interface ID " } ,
{ MGMT_ERROR_UNDEFINIED_MSG_DRAFT , " An unexpected message was received " } ,
{ MGMT_ERROR_VERSION_ERR_DRAFT , " The IUA layers are of different version " } ,
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{ MGMT_ERROR_INVALID_STID_DRAFT , " Invalid SCTP stream identifier " } ,
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{ MGMT_ERROR_INVALID_SCNV_DRAFT , " Invalid SCN version " } ,
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{ MGMT_ERROR_INVALID_ALI_DRAFT , " Invalid Adaptation Layer Identifier " } ,
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{ 0 , NULL } } ;
# define MGMT_ERROR_MSG_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
# define MGMT_ERROR_MSG_HEADER_LENGTH PARAMETER_HEADER_LENGTH
# define MGMT_ERROR_CODE_LENGTH 4
static void
dissect_draft_error_code_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree )
{
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guint16 offset = MGMT_ERROR_MSG_HEADER_LENGTH + tvb_get_ntohs ( parameter_tvb , MGMT_ERROR_MSG_LENGTH_OFFSET ) + 4 ;
proto_tree_add_item ( parameter_tree , hf_draft_error_code , parameter_tvb , offset , MGMT_ERROR_CODE_LENGTH , ENC_BIG_ENDIAN ) ;
offset + = MGMT_ERROR_CODE_LENGTH ;
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if ( tvb_length_remaining ( parameter_tvb , offset ) > 0 )
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proto_tree_add_item ( parameter_tree , hf_info_string , parameter_tvb , offset , msg_length - offset , ENC_ASCII | ENC_NA ) ;
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}
/*----------------------Error Indication (Draft)-------------------------------*/
/*----------------------Error Indication (RFC)---------------------------------*/
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/* define Error Code Parameter for Layer Management (MGMT) Messages */
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# define MGMT_ERROR_INVALID_VERSION 0x01
# define MGMT_ERROR_INVALID_IF_ID 0x02
# define MGMT_ERROR_UNSUPPORTED_MSG_CLASS 0x03
# define MGMT_ERROR_UNSUPPORTED_MSG_TYPE 0x04
# define MGMT_ERROR_UNSUPPORTED_TRAFFIC_HANDLING_MODE 0x05
# define MGMT_ERROR_UNEXPECTED_MSG 0x06
# define MGMT_ERROR_PROTOCOL_ERROR 0x07
# define MGMT_ERROR_UNSUPPORTED_IF_ID_TYPE 0x08
# define MGMT_ERROR_INVALID_STREAM_ID 0x09
# define MGMT_ERROR_UNASSIGNED_TEI 0x0a
# define MGMT_ERROR_UNRECOGNIZED_SAPI 0x0b
# define MGMT_ERROR_INVALID_TEI_SAPI_COMBINATION 0x0c
static const value_string error_code_values [ ] = {
{ MGMT_ERROR_INVALID_VERSION , " Invalid version " } ,
{ MGMT_ERROR_INVALID_IF_ID , " Invalid interface identifier " } ,
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{ MGMT_ERROR_UNSUPPORTED_MSG_CLASS , " Unsupported message class " } ,
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{ MGMT_ERROR_UNSUPPORTED_MSG_TYPE , " Unsupported message type " } ,
{ MGMT_ERROR_UNSUPPORTED_TRAFFIC_HANDLING_MODE , " Unsupported traffic handling mode " } ,
{ MGMT_ERROR_UNEXPECTED_MSG , " Unexpected message " } ,
{ MGMT_ERROR_PROTOCOL_ERROR , " Protocol error " } ,
{ MGMT_ERROR_UNSUPPORTED_IF_ID_TYPE , " Unsupported interface identifier type " } ,
{ MGMT_ERROR_INVALID_STREAM_ID , " Invalid stream identifier " } ,
{ MGMT_ERROR_UNASSIGNED_TEI , " Unassigned TEI " } ,
{ MGMT_ERROR_UNRECOGNIZED_SAPI , " Unrecognized SAPI " } ,
{ MGMT_ERROR_INVALID_TEI_SAPI_COMBINATION , " Invalid TEI/SAPI combination " } ,
{ 0 , NULL } } ;
# define MGMT_ERROR_CODE_OFFSET PARAMETER_VALUE_OFFSET
static void
dissect_error_code_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item )
{
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proto_tree_add_item ( parameter_tree , hf_error_code , parameter_tvb , MGMT_ERROR_CODE_OFFSET , MGMT_ERROR_CODE_LENGTH , ENC_BIG_ENDIAN ) ;
proto_item_append_text ( parameter_item , " (%s) " ,
val_to_str_const ( tvb_get_ntohl ( parameter_tvb , MGMT_ERROR_CODE_OFFSET ) , error_code_values , " Unknown error code " ) ) ;
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}
static void
dissect_diagnostic_information_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item )
{
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guint16 diag_info_length ;
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diag_info_length = tvb_get_ntohs ( parameter_tvb , MGMT_ERROR_MSG_LENGTH_OFFSET ) - MGMT_ERROR_MSG_HEADER_LENGTH ;
proto_tree_add_item ( parameter_tree , hf_diagnostic_info , parameter_tvb , PARAMETER_VALUE_OFFSET , diag_info_length , ENC_NA ) ;
proto_item_append_text ( parameter_item , " (%u byte%s) " , diag_info_length , plurality ( diag_info_length , " " , " s " ) ) ;
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}
/*----------------------Error Indication (RFC)---------------------------------*/
/*----------------------Notify (RFC)-------------------------------------------*/
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/* define Status Type parameters for Notify (NTFY) Messages */
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# define NTFY_STATUS_TYPE_AS_STATE_CHANGE 0x01
# define NTFY_STATUS_TYPE_OTHER 0x02
static const value_string status_type_values [ ] = {
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{ NTFY_STATUS_TYPE_AS_STATE_CHANGE , " Application server state change " } ,
{ NTFY_STATUS_TYPE_OTHER , " Other " } ,
{ 0 , NULL } } ;
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/* define Status Identification parameters for NTFY Messages (AS state change)*/
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# define NTFY_STATUS_IDENT_AS_DOWN 0x01
# define NTFY_STATUS_IDENT_AS_INACTIVE 0x02
# define NTFY_STATUS_IDENT_AS_ACTIVE 0x03
# define NTFY_STATUS_IDENT_AS_PENDING 0x04
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/* define Status Identification parameters for NTFY Messages (Other)*/
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# define NTFY_STATUS_INSUFFICIENT_ASP_RES_ACTIVE 0x01
# define NTFY_STATUS_ALTERNATE_ASP_ACTIVE 0x02
static const value_string status_type_id_values [ ] = {
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{ NTFY_STATUS_TYPE_AS_STATE_CHANGE * 256 * 256 + NTFY_STATUS_IDENT_AS_DOWN , " Application server down " } ,
{ NTFY_STATUS_TYPE_AS_STATE_CHANGE * 256 * 256 + NTFY_STATUS_IDENT_AS_INACTIVE , " Application server inactive " } ,
{ NTFY_STATUS_TYPE_AS_STATE_CHANGE * 256 * 256 + NTFY_STATUS_IDENT_AS_ACTIVE , " Application server active " } ,
{ NTFY_STATUS_TYPE_AS_STATE_CHANGE * 256 * 256 + NTFY_STATUS_IDENT_AS_PENDING , " Application server pending " } ,
{ NTFY_STATUS_TYPE_OTHER * 256 * 256 + NTFY_STATUS_INSUFFICIENT_ASP_RES_ACTIVE , " Insufficient ASP resources active in AS " } ,
{ NTFY_STATUS_TYPE_OTHER * 256 * 256 + NTFY_STATUS_ALTERNATE_ASP_ACTIVE , " Alternate ASP active " } ,
{ 0 , NULL } } ;
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# define NTFY_STATUS_TYPE_OFFSET PARAMETER_VALUE_OFFSET
# define NTFY_STATUS_TYPE_LENGTH 2
# define NTFY_STATUS_IDENT_OFFSET (NTFY_STATUS_TYPE_OFFSET + NTFY_STATUS_TYPE_LENGTH)
# define NTFY_STATUS_IDENT_LENGTH 2
static void
dissect_status_type_identification_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item )
{
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guint16 status_type , status_id ;
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status_type = tvb_get_ntohs ( parameter_tvb , NTFY_STATUS_TYPE_OFFSET ) ;
status_id = tvb_get_ntohs ( parameter_tvb , NTFY_STATUS_IDENT_OFFSET ) ;
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proto_tree_add_item ( parameter_tree , hf_status_type , parameter_tvb , NTFY_STATUS_TYPE_OFFSET , NTFY_STATUS_TYPE_LENGTH , ENC_BIG_ENDIAN ) ;
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proto_tree_add_uint_format_value ( parameter_tree , hf_status_id , parameter_tvb , NTFY_STATUS_IDENT_OFFSET , NTFY_STATUS_IDENT_LENGTH ,
status_id , " %u (%s) " , status_id ,
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val_to_str_const ( status_type * 256 * 256 + status_id , status_type_id_values , " unknown " ) ) ;
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proto_item_append_text ( parameter_item , " (%s) " ,
val_to_str_const ( status_type * 256 * 256 + status_id , status_type_id_values , " Unknown status information " ) ) ;
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}
/*----------------------Notify (RFC)-------------------------------------------*/
/*----------------------TEI Status Indication,Confirm (RFC)--------------------*/
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/* define parameters for TEI Status (Indication,Confirm) Messages */
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# define TEI_STATUS_ASSIGNED 0x0
# define TEI_STATUS_UNASSIGNED 0x1
static const value_string tei_status_values [ ] = {
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{ TEI_STATUS_ASSIGNED , " TEI is considered assigned by Q.921 " } ,
{ TEI_STATUS_UNASSIGNED , " TEI is considered unassigned by Q.921 " } ,
{ 0 , NULL } } ;
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# define TEI_STATUS_OFFSET PARAMETER_VALUE_OFFSET
# define TEI_STATUS_LENGTH 4
static void
dissect_tei_status_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item )
{
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proto_tree_add_item ( parameter_tree , hf_tei_status , parameter_tvb , TEI_STATUS_OFFSET , TEI_STATUS_LENGTH , ENC_BIG_ENDIAN ) ;
proto_item_append_text ( parameter_item , " (%s) " ,
val_to_str_const ( tvb_get_ntohl ( parameter_tvb , TEI_STATUS_OFFSET ) , tei_status_values , " Unknown TEI status " ) ) ;
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}
/*----------------------TEI Status (RFC)---------------------------------------*/
/*----------------------TEI Status Indication,Confirm (Draft)------------------*/
# define TEI_DRAFT_IN_SERVICE 0x0
# define TEI_DRAFT_OUT_OF_SERVICE 0x1
static const value_string tei_draft_status_values [ ] = {
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{ TEI_DRAFT_IN_SERVICE , " TEI is in service " } ,
{ TEI_DRAFT_OUT_OF_SERVICE , " TEI is out of service " } ,
{ 0 , NULL } } ;
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# define TEI_STATUS_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
static void
dissect_draft_tei_status_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item )
{
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gint offset ;
offset = tvb_get_ntohs ( parameter_tvb , TEI_STATUS_LENGTH_OFFSET ) + 8 ;
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if ( tvb_length_remaining ( parameter_tvb , offset ) > 0 ) {
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proto_tree_add_item ( parameter_tree , hf_tei_draft_status , parameter_tvb , offset , TEI_STATUS_LENGTH , ENC_BIG_ENDIAN ) ;
proto_item_append_text ( parameter_item , " (%s) " ,
val_to_str_const ( tvb_get_ntohl ( parameter_tvb , offset ) , tei_draft_status_values , " Unknown TEI Status " ) ) ;
}
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}
/*----------------------TEI Status (Draft)-------------------------------------*/
/*----------------------ASP Up,Down,Active,Inactive (Draft)--------------------*/
static void
dissect_asp_msg_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item )
{
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guint16 adaptation_layer_id_length = tvb_get_ntohs ( parameter_tvb , PARAMETER_LENGTH_OFFSET ) ;
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proto_tree_add_item ( parameter_tree , hf_adaptation_layer_id , parameter_tvb , PARAMETER_VALUE_OFFSET , adaptation_layer_id_length , ENC_ASCII | ENC_NA ) ;
proto_item_append_text ( parameter_item , " (%.*s) " , adaptation_layer_id_length ,
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tvb_get_string_enc ( wmem_packet_scope ( ) , parameter_tvb , PARAMETER_VALUE_OFFSET , adaptation_layer_id_length , ENC_ASCII ) ) ;
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}
static void
dissect_scn_protocol_id_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item )
{
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guint16 id_length = tvb_get_ntohs ( parameter_tvb , PARAMETER_LENGTH_OFFSET ) ;
proto_tree_add_item ( parameter_tree , hf_scn_protocol_id , parameter_tvb , PARAMETER_VALUE_OFFSET , id_length , ENC_ASCII | ENC_NA ) ;
proto_item_append_text ( parameter_item , " (%.*s) " , id_length ,
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tvb_get_string_enc ( wmem_packet_scope ( ) , parameter_tvb , PARAMETER_VALUE_OFFSET , id_length , ENC_ASCII ) ) ;
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}
/*----------------------ASP (Draft)--------------------------------------------*/
/*----------------------ASP Down + Ack (RFC)--------------------------------*/
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/* define reason parameter for Application Server Process Maintenance (ASPM) Messages */
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# define ASP_REASON_MGMT 1
static const value_string asp_reason_values [ ] = {
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{ ASP_REASON_MGMT , " Management inhibit " } ,
{ 0 , NULL } } ;
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# define ASP_REASON_OFFSET PARAMETER_VALUE_OFFSET
# define ASP_REASON_LENGTH 4
static void
dissect_asp_reason_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item )
{
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proto_tree_add_item ( parameter_tree , hf_asp_reason , parameter_tvb , ASP_REASON_OFFSET , ASP_REASON_LENGTH , ENC_BIG_ENDIAN ) ;
proto_item_append_text ( parameter_item , " (%s) " , val_to_str_const ( tvb_get_ntohl ( parameter_tvb , ASP_REASON_OFFSET ) , asp_reason_values , " Unknown ASP down reason " ) ) ;
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}
/*----------------------ASP (RFC)----------------------------------------------*/
/*----------------------Heartbeat Data + Ack (RFC)-----------------------------*/
# define HEARTBEAT_MSG_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
# define HEARTBEAT_DATA_OFFSET PARAMETER_VALUE_OFFSET
# define HEARTBEAT_MSG_HEADER_LENGTH PARAMETER_HEADER_LENGTH
static void
dissect_heartbeat_data_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item )
{
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guint16 heartbeat_data_length ;
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heartbeat_data_length = tvb_get_ntohs ( parameter_tvb , HEARTBEAT_MSG_LENGTH_OFFSET ) - HEARTBEAT_MSG_HEADER_LENGTH ;
proto_tree_add_item ( parameter_tree , hf_heartbeat_data , parameter_tvb , HEARTBEAT_DATA_OFFSET , heartbeat_data_length , ENC_NA ) ;
proto_item_append_text ( parameter_item , " (%u byte%s) " , heartbeat_data_length , plurality ( heartbeat_data_length , " " , " s " ) ) ;
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}
/*----------------------Heartbeat Data (RFC)-----------------------------------*/
/*----------------------ASP Active,Inactive + Ack (RFC)------------------------*/
# define OVER_RIDE_TRAFFIC_MODE_TYPE 1
# define LOAD_SHARE_TRAFFIC_MODE_TYPE 2
static const value_string traffic_mode_type_values [ ] = {
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{ OVER_RIDE_TRAFFIC_MODE_TYPE , " Over-ride " } ,
{ LOAD_SHARE_TRAFFIC_MODE_TYPE , " Load-share " } ,
{ 0 , NULL } } ;
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# define TRAFFIC_MODE_TYPE_LENGTH 4
# define TRAFFIC_MODE_TYPE_OFFSET PARAMETER_VALUE_OFFSET
static void
dissect_traffic_mode_type_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item )
{
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proto_tree_add_item ( parameter_tree , hf_traffic_mode_type , parameter_tvb , TRAFFIC_MODE_TYPE_OFFSET , TRAFFIC_MODE_TYPE_LENGTH , ENC_BIG_ENDIAN ) ;
proto_item_append_text ( parameter_item , " (%s) " ,
val_to_str_const ( tvb_get_ntohl ( parameter_tvb , TRAFFIC_MODE_TYPE_OFFSET ) , traffic_mode_type_values , " Unknown traffic mode type " ) ) ;
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}
# define INT_RANGE_START_OFFSET PARAMETER_VALUE_OFFSET
# define INT_RANGE_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
# define INT_RANGE_HEADER_LENGTH PARAMETER_HEADER_LENGTH
# define IF_ID_START_OFFSET 0
# define IF_ID_START_LENGTH 4
# define IF_ID_END_OFFSET (IF_ID_START_OFFSET + IF_ID_START_LENGTH)
# define IF_ID_END_LENGTH 4
# define IF_ID_INTERVAL_LENGTH (IF_ID_START_LENGTH + IF_ID_END_LENGTH)
static void
dissect_integer_range_interface_identifier_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item )
{
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guint16 number_of_ranges , range_number , offset ;
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number_of_ranges = ( tvb_get_ntohs ( parameter_tvb , INT_RANGE_LENGTH_OFFSET ) - INT_RANGE_HEADER_LENGTH ) / IF_ID_INTERVAL_LENGTH ;
offset = INT_RANGE_START_OFFSET ;
for ( range_number = 0 ; range_number < number_of_ranges ; range_number + + ) {
proto_tree_add_item ( parameter_tree , hf_if_range_start , parameter_tvb , offset + IF_ID_START_OFFSET , IF_ID_START_LENGTH , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( parameter_tree , hf_if_range_end , parameter_tvb , offset + IF_ID_END_OFFSET , IF_ID_END_LENGTH , ENC_BIG_ENDIAN ) ;
offset + = IF_ID_INTERVAL_LENGTH ;
} ;
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proto_item_append_text ( parameter_item , " (%u range%s) " , number_of_ranges , plurality ( number_of_ranges , " " , " s " ) ) ;
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}
/*----------------------ASP Active,Inactive (RFC)------------------------------*/
/*----------------------Data Request,Indication (Draft,RFC)--------------------*/
# define DISCRIMINATOR_OFFSET 0
# define DISCRIMINATOR_LENGTH 1
# define ADDRESS_OFFSET 1
# define ADDRESS_LENGTH 1
# define LOW_ADDRESS_OFFSET 2
# define LOW_ADDRESS_LENGTH 1
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# define ALL_ADDRESS_OFFSET 1
# define ALL_ADDRESS_LENGTH 2
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# define MSG_TYPE_OFFSET 3
# define MSG_TYPE_LENGTH 1
# define MSG_HEADER_LENGTH 4
# define INFO_ELEMENT_OFFSET 4
# define INFO_ELEMENT_LENGTH 1
static void
dissect_layer3_message ( tvbuff_t * layer3_data_tvb , proto_tree * v5ua_tree , proto_item * parameter_item , packet_info * pinfo )
{
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guint16 discriminator_offset ;
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if ( iua_version = = DRAFT ) {
discriminator_offset = DISCRIMINATOR_OFFSET ;
}
else {
discriminator_offset = DISCRIMINATOR_OFFSET + PARAMETER_HEADER_LENGTH ;
}
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if ( tvb_get_guint8 ( layer3_data_tvb , discriminator_offset ) = = 0x48 ) {
guint16 protocol_data_length ;
tvbuff_t * protocol_data_tvb ;
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protocol_data_length = tvb_get_ntohs ( layer3_data_tvb , PARAMETER_LENGTH_OFFSET ) - PARAMETER_HEADER_LENGTH ;
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protocol_data_tvb = tvb_new_subset_length ( layer3_data_tvb , PARAMETER_VALUE_OFFSET , protocol_data_length ) ;
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call_dissector ( v52_handle , protocol_data_tvb , pinfo , v5ua_tree ) ;
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proto_item_append_text ( parameter_item , " (%u byte%s) " , protocol_data_length , plurality ( protocol_data_length , " " , " s " ) ) ;
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}
else {
guint16 protocol_data_length ;
tvbuff_t * protocol_data_tvb ;
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protocol_data_length = tvb_get_ntohs ( layer3_data_tvb , PARAMETER_LENGTH_OFFSET ) - PARAMETER_HEADER_LENGTH ;
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protocol_data_tvb = tvb_new_subset_length ( layer3_data_tvb , PARAMETER_VALUE_OFFSET , protocol_data_length ) ;
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call_dissector ( q931_handle , protocol_data_tvb , pinfo , v5ua_tree ) ;
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proto_item_append_text ( parameter_item , " (%u byte%s) " , protocol_data_length , plurality ( protocol_data_length , " " , " s " ) ) ;
}
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}
/*----------------------Data Request,Indication (Draft,RFC)------------------------*/
/*----------------------Establish Request,Confirm,Indication (Draft,RFC)-------*/
/*
* no additional parameter
*/
/*----------------------Establish Request,Confirm,Indication (Draft,RFC)-------*/
/*----------------------Release Indication, Request (Draft,RFC)----------------*/
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/* define parameters for Release Request and Indication Messages */
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# define RELEASE_MGMT 0x0
# define RELEASE_PHYS 0x1
# define RELEASE_DM 0x2
# define RELEASE_OTHER 0x3
static const value_string release_reason_values [ ] = {
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{ RELEASE_MGMT , " Management layer generated release " } ,
{ RELEASE_PHYS , " Physical layer alarm generated release " } ,
{ RELEASE_DM , " Specific to a request " } ,
{ RELEASE_OTHER , " Other reason " } ,
{ 0 , NULL } } ;
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# define RELEASE_REASON_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
# define RELEASE_REASON_OFFSET PARAMETER_VALUE_OFFSET
# define RELEASE_REASON_LENGTH 4
static void
dissect_release_reason_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item )
{
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gint offset = RELEASE_REASON_OFFSET ;
if ( iua_version = = DRAFT ) offset = tvb_get_ntohs ( parameter_tvb , RELEASE_REASON_LENGTH_OFFSET ) + 8 ;
proto_tree_add_item ( parameter_tree , hf_release_reason , parameter_tvb , offset , RELEASE_REASON_LENGTH , ENC_BIG_ENDIAN ) ;
if ( iua_version ! = DRAFT )
proto_item_append_text ( parameter_item , " (%s) " ,
val_to_str_const ( tvb_get_ntohl ( parameter_tvb , offset ) , release_reason_values , " Unknown release reason " ) ) ;
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}
/*----------------------Release Indication,Request (Draft,RFC)-----------------*/
/*----------------------Link Status Start,Stop Report (Draft,RFC)--------------*/
/*
* No additional Parameter
*/
/*----------------------Link Status Start,Stop Report (Draft,RFC)--------------*/
/*----------------------Link Status Indication (Draft,RFC)---------------------*/
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/* define parameters for Link Status Indication */
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# define LINK_STATUS_OPERTIONAL 0x0
# define LINK_STATUS_NON_OPERTIONAL 0x1
static const value_string link_status_values [ ] = {
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{ LINK_STATUS_OPERTIONAL , " Link operational " } ,
{ LINK_STATUS_NON_OPERTIONAL , " Link not operational " } ,
{ 0 , NULL } } ;
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# define LINK_STATUS_OFFSET PARAMETER_VALUE_OFFSET
# define LINK_STATUS_LENGTH 4
static void
dissect_link_status_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item )
{
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proto_tree_add_item ( parameter_tree , hf_link_status , parameter_tvb , LINK_STATUS_OFFSET , LINK_STATUS_LENGTH , ENC_BIG_ENDIAN ) ;
proto_item_append_text ( parameter_item , " (%s) " ,
val_to_str_const ( tvb_get_ntohl ( parameter_tvb , LINK_STATUS_OFFSET ) , link_status_values , " Unknown Link status " ) ) ;
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link_status_operational = tvb_get_ntohl ( parameter_tvb , LINK_STATUS_OFFSET ) ;
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}
/*----------------------Link Status Indication (Draft,RFC)---------------------*/
/*----------------------Sa-Bit (Draft,RFC)-------------------------------------*/
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/* define parameter for sa-bit message */
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# define SA_BIT_ID_ZERO 0x0
# define SA_BIT_ID_ONE 0x1
# define SA_BIT_VALUE_SA7 0x7
static const value_string sa_bit_values [ ] = {
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{ SA_BIT_ID_ZERO , " set value ZERO " } ,
{ SA_BIT_ID_ONE , " set value ONE " } ,
{ SA_BIT_VALUE_SA7 , " Addresses the Sa7 Bit " } ,
{ 0 , NULL } } ;
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# define SA_BIT_ID_OFFSET PARAMETER_VALUE_OFFSET
# define SA_BIT_ID_LENGTH 2
# define SA_BIT_VALUE_OFFSET (SA_BIT_ID_OFFSET + SA_BIT_ID_LENGTH)
# define SA_BIT_VALUE_LENGTH 2
static void
dissect_sa_bit_status_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item )
{
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proto_tree_add_item ( parameter_tree , hf_sa_bit_id , parameter_tvb , SA_BIT_ID_OFFSET , SA_BIT_ID_LENGTH , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( parameter_tree , hf_sa_bit_value , parameter_tvb , SA_BIT_VALUE_OFFSET , SA_BIT_VALUE_LENGTH , ENC_BIG_ENDIAN ) ;
proto_item_append_text ( parameter_item , " (%s %s) " ,
val_to_str_const ( tvb_get_ntohs ( parameter_tvb , SA_BIT_ID_OFFSET ) , sa_bit_values , " unknown " ) ,
val_to_str_const ( tvb_get_ntohs ( parameter_tvb , SA_BIT_VALUE_OFFSET ) , sa_bit_values , " unknown Bit " ) ) ;
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sa_bit_id = tvb_get_ntohs ( parameter_tvb , SA_BIT_VALUE_OFFSET ) ;
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}
/*----------------------Sa-Bit (Draft,RFC)-------------------------------------*/
/*----------------------Error Indication (RFC)---------------------------------*/
# define ERROR_REASON_OVERLOAD 0x1
static const value_string error_reason_values [ ] = {
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{ ERROR_REASON_OVERLOAD , " C-Channel is in overload state " } ,
{ 0 , NULL } } ;
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# define ERROR_REASON_LENGTH 4
# define ERROR_REASON_OFFSET PARAMETER_VALUE_OFFSET
static void
dissect_error_indication_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item )
{
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proto_tree_add_item ( parameter_tree , hf_error_reason , parameter_tvb , ERROR_REASON_OFFSET , ERROR_REASON_LENGTH , ENC_BIG_ENDIAN ) ;
proto_item_append_text ( parameter_item , " (%s) " ,
val_to_str_const ( tvb_get_ntohl ( parameter_tvb , ERROR_REASON_OFFSET ) , error_reason_values , " unknown " ) ) ;
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}
/*----------------------Error Indication (RFC)---------------------------------*/
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/*--------------------------ASP identifier-------------------------------------*/
# define ASP_IDENTIFIER_LENGTH 4
# define ASP_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET
static void
dissect_asp_identifier_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item )
{
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proto_tree_add_item ( parameter_tree , hf_asp_identifier , parameter_tvb , ASP_IDENTIFIER_OFFSET , ASP_IDENTIFIER_LENGTH , ENC_BIG_ENDIAN ) ;
proto_item_append_text ( parameter_item , " (%d) " , tvb_get_ntohl ( parameter_tvb , ASP_IDENTIFIER_OFFSET ) ) ;
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}
/*--------------------------ASP identifier-------------------------------------*/
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# define INFO_STRING_OFFSET PARAMETER_VALUE_OFFSET
static void
dissect_info_string_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item )
{
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guint16 info_string_length ;
info_string_length = tvb_get_ntohs ( parameter_tvb , PARAMETER_LENGTH_OFFSET ) ;
if ( iua_version = = DRAFT ) info_string_length + = 4 ;
if ( info_string_length > 4 ) {
info_string_length - = PARAMETER_HEADER_LENGTH ;
proto_tree_add_item ( parameter_tree , hf_info_string , parameter_tvb , INFO_STRING_OFFSET , info_string_length , ENC_ASCII | ENC_NA ) ;
proto_item_append_text ( parameter_item , " (%.*s) " , info_string_length ,
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tvb_get_string_enc ( wmem_packet_scope ( ) , parameter_tvb , INFO_STRING_OFFSET , info_string_length , ENC_ASCII ) ) ;
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}
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}
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static void
dissect_unknown_parameter ( tvbuff_t * parameter_tvb , proto_tree * parameter_tree , proto_item * parameter_item )
{
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guint16 parameter_value_length ;
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parameter_value_length = tvb_get_ntohs ( parameter_tvb , PARAMETER_LENGTH_OFFSET ) - PARAMETER_HEADER_LENGTH ;
if ( parameter_value_length > 0 )
proto_tree_add_item ( parameter_tree , hf_parameter_value , parameter_tvb , PARAMETER_VALUE_OFFSET , parameter_value_length , ENC_NA ) ;
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proto_item_append_text ( parameter_item , " with tag %u and %u byte%s value " ,
tvb_get_ntohs ( parameter_tvb , PARAMETER_TAG_OFFSET ) , parameter_value_length , plurality ( parameter_value_length , " " , " s " ) ) ;
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}
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# define Reserved_TAG 0x00
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# define INT_INTERFACE_IDENTIFIER_PARAMETER_TAG 0x01
# define ASP_MSG_PARAMETER_TAG 0x02
# define TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG 0x03
# define INFO_PARAMETER_TAG 0x04
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# define DLCI_PARAMETER_TAG 0x81
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# define DIAGNOSTIC_INFORMATION_PARAMETER_TAG 0x07
# define INTEGER_RANGE_INTERFACE_IDENTIFIER_PARAMETER_TAG 0x08
# define HEARTBEAT_DATA_PARAMETER_TAG 0x09
# define ASP_DOWN_REASON_PARAMETER_TAG 0x0a
# define TRAFFIC_MODE_TYPE_PARAMETER_TAG 0x0b
# define ERROR_CODE_PARAMETER_TAG 0x0c
# define STATUS_TYPE_INDENTIFICATION_PARAMETER_TAG 0x0d
# define PROTOCOL_DATA_PARAMETER_TAG 0x0e
# define RELEASE_REASON_PARAMETER_TAG 0x0f
# define TEI_STATUS_PARAMETER_TAG 0x10
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# define ASP_IDENTIFIER_PARAMETER_TAG 0x11
# define NOT_USED_IN_IUA_PARAMETER_TAG 0x12
# define LINK_STATUS_PARAMETER_TAG 0x82
# define SA_BIT_STATUS_PARAMETER_TAG 0x83
# define ERROR_INDICATION_PARAMETER_TAG 0x84
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static const value_string parameter_tag_values [ ] = {
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{ Reserved_TAG , " Reserved " } ,
{ INT_INTERFACE_IDENTIFIER_PARAMETER_TAG , " Interface Identifier (integer) " } ,
{ TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG , " Interface Identifier (text) " } ,
{ INFO_PARAMETER_TAG , " Info string " } ,
{ DLCI_PARAMETER_TAG , " DLCI " } ,
{ DIAGNOSTIC_INFORMATION_PARAMETER_TAG , " Diagnostic information " } ,
{ INTEGER_RANGE_INTERFACE_IDENTIFIER_PARAMETER_TAG , " Interface Identifier Range " } ,
{ HEARTBEAT_DATA_PARAMETER_TAG , " Hearbeat data " } ,
{ ASP_DOWN_REASON_PARAMETER_TAG , " ASP DOWN Reason " } ,
{ TRAFFIC_MODE_TYPE_PARAMETER_TAG , " Traffic mode type " } ,
{ ERROR_CODE_PARAMETER_TAG , " Error code " } ,
{ STATUS_TYPE_INDENTIFICATION_PARAMETER_TAG , " Status type/identification " } ,
{ PROTOCOL_DATA_PARAMETER_TAG , " Protocol Data " } ,
{ RELEASE_REASON_PARAMETER_TAG , " Release Reason " } ,
{ TEI_STATUS_PARAMETER_TAG , " TEI status " } ,
{ ASP_IDENTIFIER_PARAMETER_TAG , " ASP Identifier " } ,
{ NOT_USED_IN_IUA_PARAMETER_TAG , " Not used in IUA " } ,
{ LINK_STATUS_PARAMETER_TAG , " Link status " } ,
{ SA_BIT_STATUS_PARAMETER_TAG , " SA-Bit status " } ,
{ ERROR_INDICATION_PARAMETER_TAG , " Error reason " } ,
{ 0 , NULL } } ;
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static const value_string parameter_tag_draft_values [ ] = {
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{ INT_INTERFACE_IDENTIFIER_PARAMETER_TAG , " V5UA Interface Identifier (int) " } ,
{ ASP_MSG_PARAMETER_TAG , " ASP Adaption Layer ID " } ,
{ TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG , " SCN Protocol Identifier " } ,
{ INFO_PARAMETER_TAG , " Info " } ,
{ PROTOCOL_DATA_PARAMETER_TAG , " Protocol Data " } ,
{ LINK_STATUS_PARAMETER_TAG , " Link status " } ,
{ SA_BIT_STATUS_PARAMETER_TAG , " SA-Bit status " } ,
{ ERROR_INDICATION_PARAMETER_TAG , " Error reason " } ,
{ 0 , NULL } } ;
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static void
dissect_parameter ( tvbuff_t * parameter_tvb , packet_info * pinfo , proto_tree * v5ua_tree )
{
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guint16 tag , length , padding_length ;
proto_item * parameter_item ;
proto_tree * parameter_tree ;
/* extract tag and length from the parameter */
tag = tvb_get_ntohs ( parameter_tvb , PARAMETER_TAG_OFFSET ) ;
length = tvb_get_ntohs ( parameter_tvb , PARAMETER_LENGTH_OFFSET ) ;
/* on IUA-Draft messages the message length not including the message header */
if ( ( iua_version = = DRAFT ) & & ( tag < = 0x4 ) ) {
/* at V5UA Header, length of header and length of DLCI+EFA must be added */
if ( tag = = 0x1 ) length + = 8 ;
/* at ASP message tags only length of header must be added */
else if ( tag < = 0x4 ) length + = PARAMETER_HEADER_LENGTH ;
/* for following message-tags are no length information available. Only in common msg header */
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if ( ( msg_class = = 0 | | msg_class = = 1 | | msg_class = = 9 ) & & msg_type < = 10 )
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length = msg_length ;
}
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padding_length = tvb_length ( parameter_tvb ) - length ;
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paddingl = padding_length ;
/* create proto_tree stuff */
switch ( iua_version ) {
case RFC :
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parameter_item = proto_tree_add_text ( v5ua_tree , parameter_tvb , PARAMETER_HEADER_OFFSET , tvb_length ( parameter_tvb ) , " %s " ,
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val_to_str_const ( tag , parameter_tag_values , " Unknown parameter " ) ) ;
parameter_tree = proto_item_add_subtree ( parameter_item , ett_v5ua_parameter ) ;
/* add tag to the v5ua tree */
proto_tree_add_item ( parameter_tree , hf_parameter_tag , parameter_tvb , PARAMETER_TAG_OFFSET , PARAMETER_TAG_LENGTH , ENC_BIG_ENDIAN ) ;
break ;
case DRAFT :
default :
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parameter_item = proto_tree_add_text ( v5ua_tree , parameter_tvb , PARAMETER_HEADER_OFFSET , tvb_length ( parameter_tvb ) , " %s " ,
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val_to_str_const ( tag , parameter_tag_draft_values , " Unknown parameter " ) ) ;
parameter_tree = proto_item_add_subtree ( parameter_item , ett_v5ua_parameter ) ;
/* add tag to the v5ua tree */
proto_tree_add_item ( parameter_tree , hf_parameter_tag_draft , parameter_tvb , PARAMETER_TAG_OFFSET , PARAMETER_TAG_LENGTH , ENC_BIG_ENDIAN ) ;
break ;
} ;
/* add length to the v5ua tree */
proto_tree_add_item ( parameter_tree , hf_parameter_length , parameter_tvb , PARAMETER_LENGTH_OFFSET , PARAMETER_LENGTH_LENGTH , ENC_BIG_ENDIAN ) ;
switch ( tag ) {
case INT_INTERFACE_IDENTIFIER_PARAMETER_TAG :
if ( iua_version = = RFC ) dissect_int_interface_identifier_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
if ( iua_version = = DRAFT ) {
dissect_int_interface_identifier_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
dissect_dlci_parameter ( parameter_tvb , parameter_tree , parameter_item , pinfo ) ;
/* for the following parameters no tag- and length-informations available. Parameters must be dissect with info from common msg header */
if ( msg_class = = 0 & & msg_type = = 0 ) dissect_draft_error_code_parameter ( parameter_tvb , parameter_tree ) ;
if ( msg_class = = 1 ) dissect_draft_tei_status_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
if ( msg_class = = 9 ) {
if ( msg_type = = 1 | | msg_type = = 2 | | msg_type = = 3 | | msg_type = = 4 ) {
guint16 length_2 , offset ;
tvbuff_t * layer3_data_tvb ;
offset = tvb_get_ntohs ( parameter_tvb , PARAMETER_LENGTH_OFFSET ) + 8 ;
length_2 = msg_length - offset ;
if ( length_2 > 0 ) {
if ( tvb_get_guint8 ( parameter_tvb , offset ) = = 0x48 ) {
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layer3_data_tvb = tvb_new_subset_length ( parameter_tvb , offset , length_2 ) ;
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dissect_layer3_message ( layer3_data_tvb , v5ua_tree , parameter_item , pinfo ) ;
}
}
}
else if ( msg_type = = 8 | | msg_type = = 10 ) dissect_release_reason_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
}
}
break ;
case ASP_MSG_PARAMETER_TAG :
dissect_asp_msg_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
break ;
case TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG :
if ( iua_version = = RFC )
dissect_text_interface_identifier_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
if ( iua_version = = DRAFT )
dissect_scn_protocol_id_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
break ;
case INFO_PARAMETER_TAG :
dissect_info_string_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
break ;
case DLCI_PARAMETER_TAG :
dissect_dlci_parameter ( parameter_tvb , parameter_tree , parameter_item , pinfo ) ;
break ;
case DIAGNOSTIC_INFORMATION_PARAMETER_TAG :
dissect_diagnostic_information_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
break ;
case INTEGER_RANGE_INTERFACE_IDENTIFIER_PARAMETER_TAG :
dissect_integer_range_interface_identifier_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
break ;
case HEARTBEAT_DATA_PARAMETER_TAG :
dissect_heartbeat_data_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
break ;
case ASP_DOWN_REASON_PARAMETER_TAG :
dissect_asp_reason_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
break ;
case TRAFFIC_MODE_TYPE_PARAMETER_TAG :
dissect_traffic_mode_type_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
break ;
case ERROR_CODE_PARAMETER_TAG :
dissect_error_code_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
break ;
case STATUS_TYPE_INDENTIFICATION_PARAMETER_TAG :
dissect_status_type_identification_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
break ;
case PROTOCOL_DATA_PARAMETER_TAG :
dissect_layer3_message ( parameter_tvb , v5ua_tree , parameter_item , pinfo ) ;
break ;
case RELEASE_REASON_PARAMETER_TAG :
dissect_release_reason_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
break ;
case TEI_STATUS_PARAMETER_TAG :
dissect_tei_status_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
break ;
case ASP_IDENTIFIER_PARAMETER_TAG :
dissect_asp_identifier_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
break ;
case LINK_STATUS_PARAMETER_TAG :
dissect_link_status_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
break ;
case SA_BIT_STATUS_PARAMETER_TAG :
dissect_sa_bit_status_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
break ;
case ERROR_INDICATION_PARAMETER_TAG :
dissect_error_indication_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
break ;
default :
dissect_unknown_parameter ( parameter_tvb , parameter_tree , parameter_item ) ;
break ;
} ;
if ( padding_length > 0 ) {
proto_tree_add_item ( parameter_tree , hf_parameter_padding , parameter_tvb , PARAMETER_HEADER_OFFSET + length , padding_length , ENC_NA ) ;
}
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}
/* dissect the V5UA-Parameters into subsets which are separated by Tag-Length-Header and call up the dissector for the subsets */
static void
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dissect_parameters ( tvbuff_t * parameters_tvb , packet_info * pinfo , proto_tree * tree _U_ , proto_tree * v5ua_tree )
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{
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gint tag , offset , length , total_length , remaining_length ;
tvbuff_t * parameter_tvb ;
offset = 0 ;
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while ( ( remaining_length = tvb_length_remaining ( parameters_tvb , offset ) ) ) {
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tag = tvb_get_ntohs ( parameters_tvb , offset + PARAMETER_TAG_OFFSET ) ;
length = tvb_get_ntohs ( parameters_tvb , offset + PARAMETER_LENGTH_OFFSET ) ;
if ( iua_version = = DRAFT ) {
if ( tag = = 0x1 ) length + = 8 ; /* V5UA Header */
else if ( tag < = 0x4 ) length + = PARAMETER_HEADER_LENGTH ; /* ASP MSGs */
/* add the parameters which are not separated by tag-length-header to the V5UA header */
if ( ( msg_class = = 0 | | msg_class = = 1 | | msg_class = = 9 ) & & msg_type < = 10 )
length = msg_length ;
}
total_length = ADD_PADDING ( length ) ;
if ( remaining_length > = length )
total_length = MIN ( total_length , remaining_length ) ;
/* create a tvb for the parameter including the padding bytes */
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parameter_tvb = tvb_new_subset_length ( parameters_tvb , offset , total_length ) ;
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dissect_parameter ( parameter_tvb , pinfo , v5ua_tree ) ;
/* get rid of the handled parameter */
offset + = total_length ;
}
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}
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/* define the common header fields of V5UA MSG */
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# define COMMON_HEADER_VERSION_LENGTH 1
# define COMMON_HEADER_RESERVED_LENGTH 1
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# define COMMON_HEADER_MSG_CLASS_LENGTH 1
# define COMMON_HEADER_MSG_TYPE_LENGTH 1
# define COMMON_HEADER_MSG_LENGTH_LENGTH 4
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# define COMMON_HEADER_LENGTH (COMMON_HEADER_VERSION_LENGTH + COMMON_HEADER_RESERVED_LENGTH +\
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COMMON_HEADER_MSG_CLASS_LENGTH + COMMON_HEADER_MSG_TYPE_LENGTH + \
COMMON_HEADER_MSG_LENGTH_LENGTH )
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/* define the offsets of common header */
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# define COMMON_HEADER_OFFSET 0
# define COMMON_HEADER_VERSION_OFFSET COMMON_HEADER_OFFSET
# define COMMON_HEADER_RESERVED_OFFSET (COMMON_HEADER_VERSION_OFFSET + COMMON_HEADER_VERSION_LENGTH)
# define COMMON_HEADER_MSG_CLASS_OFFSET (COMMON_HEADER_RESERVED_OFFSET + COMMON_HEADER_RESERVED_LENGTH)
# define COMMON_HEADER_MSG_TYPE_OFFSET (COMMON_HEADER_MSG_CLASS_OFFSET + COMMON_HEADER_MSG_CLASS_LENGTH)
# define COMMON_HEADER_MSG_LENGTH_OFFSET (COMMON_HEADER_MSG_TYPE_OFFSET + COMMON_HEADER_MSG_TYPE_LENGTH)
# define COMMON_HEADER_PARAMETERS_OFFSET (COMMON_HEADER_OFFSET + COMMON_HEADER_LENGTH)
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/* version of V5UA protocol */
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# define V5UA_PROTOCOL_VERSION_RELEASE_1 1
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static const value_string v5ua_protocol_version_values [ ] = {
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{ V5UA_PROTOCOL_VERSION_RELEASE_1 , " Release 1.0 " } ,
{ 0 , NULL } } ;
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/* define V5UA MSGs */
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# define MSG_CLASS_MGMT_MSG 0
# define MSG_CLASS_MGMT_MSG_DRAFT 1
# define MSG_CLASS_ASPSM_MSG 3
# define MSG_CLASS_ASPTM_MSG 4
# define MSG_CLASS_V5PTM_MSG_DRAFT 9
# define MSG_CLASS_V5PTM_MSG 14
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static const value_string msg_class_values [ ] = {
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{ MSG_CLASS_MGMT_MSG , " Management Messages " } ,
{ MSG_CLASS_MGMT_MSG_DRAFT , " Management Messages " } ,
{ MSG_CLASS_ASPSM_MSG , " ASP State Maintenance Message " } ,
{ MSG_CLASS_ASPTM_MSG , " ASP Traffic Maintenance Message " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT , " V5 Boundary Primitives Transport Message " } ,
{ MSG_CLASS_V5PTM_MSG , " V5 Boundary Primitives Transport Message " } ,
{ 0 , NULL } } ;
/* message types for MGMT messages */
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# define MGMT_MSG_TYPE_ERR 0
# define MGMT_MSG_TYPE_NTFY 1
# define MGMT_MSG_TYPE_TEI_STATUS_REQ 2
# define MGMT_MSG_TYPE_TEI_STATUS_CON 3
# define MGMT_MSG_TYPE_TEI_STATUS_IND 4
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# define MGMT_MSG_TYPE_TEI_QUERY_REQUEST5 5
# define MGMT_MSG_TYPE_TEI_QUERY_REQUEST 8
/* end */
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/* MGMT messages for Nortel draft version*/
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# define MGMT_MSG_DRAFT_TYPE_TEI_STATUS_REQ 1
# define MGMT_MSG_DRAFT_TYPE_TEI_STATUS_CON 2
# define MGMT_MSG_DRAFT_TYPE_TEI_STATUS_IND 3
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# define MGMT_MSG_DRAFT_TYPE_TEI_QUERY_REQUEST5 5
# define MGMT_MSG_DRAFT_TYPE_TEI_QUERY_REQUEST 8
/* end */
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/* message types for ASPSM messages */
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# define ASPSM_MSG_TYPE_Reserved 0
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# define ASPSM_MSG_TYPE_UP 1
# define ASPSM_MSG_TYPE_DOWN 2
# define ASPSM_MSG_TYPE_BEAT 3
# define ASPSM_MSG_TYPE_UP_ACK 4
# define ASPSM_MSG_TYPE_DOWN_ACK 5
# define ASPSM_MSG_TYPE_BEAT_ACK 6
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/* message types for ASPTM messages */
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# define ASPTM_MSG_TYPE_Reserved 0
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# define ASPTM_MSG_TYPE_ACTIVE 1
# define ASPTM_MSG_TYPE_INACTIVE 2
# define ASPTM_MSG_TYPE_ACTIVE_ACK 3
# define ASPTM_MSG_TYPE_INACTIVE_ACK 4
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/* message types for V5PTM messages */
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# define V5PTM_MSG_TYPE_Reserved 0
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# define V5PTM_MSG_TYPE_DATA_REQUEST 1
# define V5PTM_MSG_TYPE_DATA_INDICATION 2
# define V5PTM_MSG_TYPE_UNIT_DATA_REQUEST 3
# define V5PTM_MSG_TYPE_UNIT_DATA_INDICATION 4
# define V5PTM_MSG_TYPE_ESTABLISH_REQUEST 5
# define V5PTM_MSG_TYPE_ESTABLISH_CONFIRM 6
# define V5PTM_MSG_TYPE_ESTABLISH_INDICATION 7
# define V5PTM_MSG_TYPE_RELEASE_REQUEST 8
# define V5PTM_MSG_TYPE_RELEASE_CONFIRM 9
# define V5PTM_MSG_TYPE_RELEASE_INDICATION 10
# define V5PTM_MSG_TYPE_LINK_STATUS_START_REPORTING 11
# define V5PTM_MSG_TYPE_LINK_STATUS_STOP_REPORTING 12
# define V5PTM_MSG_TYPE_LINK_STATUS_INDICATION 13
# define V5PTM_MSG_TYPE_SA_BIT_SET_REQUEST 14
# define V5PTM_MSG_TYPE_SA_BIT_SET_CONFIRM 15
# define V5PTM_MSG_TYPE_SA_BIT_STATUS_REQUEST 16
# define V5PTM_MSG_TYPE_SA_BIT_STATUS_INDICATION 17
# define V5PTM_MSG_TYPE_ERROR_INDICATION 18
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# define MGMT_MSG_TYPE_TEI_STATUS_REQUEST5 5
# define MGMT_MSG_TYPE_TEI_STATUS_REQUEST 8
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static const value_string msg_class_type_values [ ] = {
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{ MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_ERR , " Error " } ,
{ MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_NTFY , " Notify " } ,
{ MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_STATUS_REQ , " TEI status request " } ,
{ MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_STATUS_CON , " TEI status confirmation " } ,
{ MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_STATUS_IND , " TEI status indication " } ,
{ MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_QUERY_REQUEST , " TEI query request " } ,
{ MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_QUERY_REQUEST5 , " TEI query request " } ,
{ MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_STATUS_REQ , " TEI status request " } ,
{ MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_STATUS_CON , " TEI status confimation " } ,
{ MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_STATUS_IND , " TEI status indication " } ,
{ MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_QUERY_REQUEST , " TEI query request " } ,
{ MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_QUERY_REQUEST5 , " TEI query request " } ,
{ MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_Reserved , " Reserved " } ,
{ MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_UP , " ASP up " } ,
{ MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_DOWN , " ASP down " } ,
{ MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_BEAT , " Heartbeat " } ,
{ MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_UP_ACK , " ASP up ack " } ,
{ MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_DOWN_ACK , " ASP down ack " } ,
{ MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_BEAT_ACK , " Heartbeat ack " } ,
{ MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_Reserved , " Reserved " } ,
{ MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_ACTIVE , " ASP active " } ,
{ MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_INACTIVE , " ASP inactive " } ,
{ MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_ACTIVE_ACK , " ASP active ack " } ,
{ MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_INACTIVE_ACK , " ASP inactive ack " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_Reserved , " Reserved " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_DATA_REQUEST , " Data request " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_DATA_INDICATION , " Data indication " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_UNIT_DATA_REQUEST , " Unit data request " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_UNIT_DATA_INDICATION , " Unit data indication " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ESTABLISH_REQUEST , " Establish request " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ESTABLISH_CONFIRM , " Establish confirmation " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ESTABLISH_INDICATION , " Establish indication " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_RELEASE_REQUEST , " Release request " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_RELEASE_CONFIRM , " Release confirmation " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_RELEASE_INDICATION , " Release indication " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_LINK_STATUS_START_REPORTING , " Link status start reporting " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_LINK_STATUS_STOP_REPORTING , " Link status stop reporting " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_LINK_STATUS_INDICATION , " Link status indication " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_REQUEST , " Sa-Bit set request " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_CONFIRM , " Sa-Bit set confirm " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_REQUEST , " Sa-Bit status request " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_INDICATION , " Sa-Bit status indication " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ERROR_INDICATION , " Error indication " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_Reserved , " Reserved " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_DATA_REQUEST , " Data request " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_DATA_INDICATION , " Data indication " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_UNIT_DATA_REQUEST , " Unit data request " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_UNIT_DATA_INDICATION , " Unit data indication " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ESTABLISH_REQUEST , " Establish request " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ESTABLISH_CONFIRM , " Establish confirmation " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ESTABLISH_INDICATION , " Establish indication " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_RELEASE_REQUEST , " Release request " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_RELEASE_CONFIRM , " Release confirmation " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_RELEASE_INDICATION , " Release indication " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_LINK_STATUS_START_REPORTING , " Link status start reporting " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_LINK_STATUS_STOP_REPORTING , " Link status stop reporting " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_LINK_STATUS_INDICATION , " Link status indication " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_REQUEST , " Sa-Bit set request " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_CONFIRM , " Sa-Bit set confirm " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_REQUEST , " Sa-Bit status request " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_INDICATION , " Sa-Bit status indication " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ERROR_INDICATION , " Error indication " } ,
{ 0 , NULL } } ;
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static const value_string msg_class_type_values_short [ ] = {
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{ MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_ERR , " Error " } ,
{ MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_NTFY , " Notify " } ,
{ MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_STATUS_REQ , " TEI status request " } ,
{ MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_STATUS_CON , " TEI status confirmation " } ,
{ MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_STATUS_IND , " TEI status indication " } ,
{ MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_QUERY_REQUEST , " TEI query request " } ,
{ MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_QUERY_REQUEST5 , " TEI query request " } ,
{ MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_STATUS_REQ , " TEI status request " } ,
{ MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_STATUS_CON , " TEI status confimation " } ,
{ MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_STATUS_IND , " TEI status indication " } ,
{ MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_QUERY_REQUEST , " TEI query request " } ,
{ MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_QUERY_REQUEST5 , " TEI query request " } ,
{ MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_Reserved , " Reserved " } ,
{ MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_UP , " ASP up " } ,
{ MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_DOWN , " ASP down " } ,
{ MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_BEAT , " Heartbeat " } ,
{ MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_UP_ACK , " ASP up ack " } ,
{ MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_DOWN_ACK , " ASP down ack " } ,
{ MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_BEAT_ACK , " Heartbeat ack " } ,
{ MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_Reserved , " Reserved " } ,
{ MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_ACTIVE , " ASP active " } ,
{ MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_INACTIVE , " ASP inactive " } ,
{ MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_ACTIVE_ACK , " ASP active ack " } ,
{ MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_INACTIVE_ACK , " ASP inactive ack " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_Reserved , " Reserved " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_DATA_REQUEST , " Data request " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_DATA_INDICATION , " Data indication " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_UNIT_DATA_REQUEST , " Unit data request " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_UNIT_DATA_INDICATION , " Unit data indication " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ESTABLISH_REQUEST , " Establish request " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ESTABLISH_CONFIRM , " Establish confirmation " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ESTABLISH_INDICATION , " Establish indication " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_RELEASE_REQUEST , " Release request " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_RELEASE_CONFIRM , " Release confirmation " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_RELEASE_INDICATION , " Release indication " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_LINK_STATUS_START_REPORTING , " Link status start reporting " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_LINK_STATUS_STOP_REPORTING , " Link status stop reporting " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_LINK_STATUS_INDICATION , " Link status indication " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_REQUEST , " Sa-Bit set request " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_CONFIRM , " Sa-Bit set confirm " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_REQUEST , " Sa-Bit status request " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_INDICATION , " Sa-Bit status indication " } ,
{ MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ERROR_INDICATION , " Error indication " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_Reserved , " Reserved " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_DATA_REQUEST , " Data Req " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_DATA_INDICATION , " Data Ind " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_UNIT_DATA_REQUEST , " U Data Req " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_UNIT_DATA_INDICATION , " U Data Ind " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ESTABLISH_REQUEST , " Est Req " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ESTABLISH_CONFIRM , " Est Conf " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ESTABLISH_INDICATION , " Est Ind " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_RELEASE_REQUEST , " Rel Req " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_RELEASE_CONFIRM , " Rel Con " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_RELEASE_INDICATION , " Rel Ind " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_LINK_STATUS_START_REPORTING , " Link Status Start Rep " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_LINK_STATUS_STOP_REPORTING , " Link Status Stop Rep " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_LINK_STATUS_INDICATION , " Link Status Ind " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_REQUEST , " Sa-Bit Set Req " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_CONFIRM , " Sa-Bit set Conf " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_REQUEST , " Sa-Bit Status Req " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_INDICATION , " Sa-Bit Status Ind " } ,
{ MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ERROR_INDICATION , " Error Ind " } ,
{ 0 , NULL } } ;
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static void
dissect_common_header ( tvbuff_t * common_header_tvb , packet_info * pinfo , proto_tree * v5ua_tree )
{
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proto_item * common_header_item ;
proto_tree * common_header_tree ;
guint8 message_class , message_type ;
message_class = tvb_get_guint8 ( common_header_tvb , COMMON_HEADER_MSG_CLASS_OFFSET ) ;
message_type = tvb_get_guint8 ( common_header_tvb , COMMON_HEADER_MSG_TYPE_OFFSET ) ;
/* Add message type into info column */
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col_set_str ( pinfo - > cinfo , COL_INFO , val_to_str_const ( message_class * 256 + message_type , msg_class_type_values_short , " UNKNOWN " ) ) ;
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if ( v5ua_tree ) {
/* create proto_tree stuff */
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common_header_item = proto_tree_add_text ( v5ua_tree , common_header_tvb , COMMON_HEADER_OFFSET , tvb_length ( common_header_tvb ) , " Common Msg-Header " ) ;
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common_header_tree = proto_item_add_subtree ( common_header_item , ett_v5ua_common_header ) ;
/* add the components of the common header to the protocol tree */
proto_tree_add_item ( common_header_tree , hf_version , common_header_tvb , COMMON_HEADER_VERSION_OFFSET , COMMON_HEADER_VERSION_LENGTH , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( common_header_tree , hf_reserved , common_header_tvb , COMMON_HEADER_RESERVED_OFFSET , COMMON_HEADER_RESERVED_LENGTH , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( common_header_tree , hf_msg_class , common_header_tvb , COMMON_HEADER_MSG_CLASS_OFFSET , COMMON_HEADER_MSG_CLASS_LENGTH , ENC_BIG_ENDIAN ) ;
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proto_tree_add_uint_format_value ( common_header_tree , hf_msg_type ,
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common_header_tvb , COMMON_HEADER_MSG_TYPE_OFFSET , COMMON_HEADER_MSG_TYPE_LENGTH ,
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message_type , " %s ( %u ) " ,
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val_to_str_const ( message_class * 256 + message_type , msg_class_type_values , " reserved " ) , message_type ) ;
proto_tree_add_item ( common_header_tree , hf_msg_length , common_header_tvb , COMMON_HEADER_MSG_LENGTH_OFFSET , COMMON_HEADER_MSG_LENGTH_LENGTH , ENC_BIG_ENDIAN ) ;
/* Add message type to the Common Msg-Header line */
proto_item_append_text ( common_header_item , " (%s) " , val_to_str_const ( message_class * 256 + message_type , msg_class_type_values , " Unknown Msg-Type " ) ) ;
messageclassCopy = message_class ;
}
/* the following info are required to dissect IUA-Draft messages.
In the DRAFT - Specification V5UA - Parameters are not separated by Tag - Length - Header ( as defined in RFC - Spec ) */
if ( iua_version = = DRAFT ) {
msg_class = message_class ;
msg_type = message_type ;
msg_length = tvb_get_ntohl ( common_header_tvb , COMMON_HEADER_MSG_LENGTH_OFFSET ) ;
}
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}
/* dissect the V5UA-packet in two subsets: Common Msg-Header (used by all msgs) and V5UA-parameter */
static void
dissect_v5ua_message ( tvbuff_t * tvb , packet_info * pinfo , proto_tree * tree , proto_tree * v5ua_tree )
{
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tvbuff_t * common_header_tvb , * parameters_tvb ;
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common_header_tvb = tvb_new_subset_length ( tvb , COMMON_HEADER_OFFSET , COMMON_HEADER_LENGTH ) ;
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dissect_common_header ( common_header_tvb , pinfo , v5ua_tree ) ;
parameters_tvb = tvb_new_subset_remaining ( tvb , COMMON_HEADER_LENGTH ) ;
dissect_parameters ( parameters_tvb , pinfo , tree , v5ua_tree ) ;
if ( dlci_efa > = 0 & & dlci_efa < = 8175 ) {
if ( ( messageclassCopy = = 0 ) | | ( messageclassCopy = = 3 ) | | ( messageclassCopy = = 4 ) ) {
messageclassCopy = - 1 ;
}
else {
col_append_str ( pinfo - > cinfo , COL_INFO , " | " ) ;
col_append_fstr ( pinfo - > cinfo , COL_INFO , " LinkId: %u " , linkIdentifier ) ;
}
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}
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if ( sa_bit_id > - 1 ) {
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col_append_str ( pinfo - > cinfo , COL_INFO , " | " ) ;
col_append_fstr ( pinfo - > cinfo , COL_INFO , " SA7bit: %u " , sa_bit_id ) ;
sa_bit_id = - 1 ;
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}
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if ( link_status_operational > - 1 ) {
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if ( link_status_operational = = 0 ) {
col_append_str ( pinfo - > cinfo , COL_INFO , " | operational " ) ;
}
else if ( link_status_operational = = 1 ) {
col_append_str ( pinfo - > cinfo , COL_INFO , " | non-operational " ) ;
}
link_status_operational = - 1 ;
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}
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}
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static void
dissect_v5ua ( tvbuff_t * tvb , packet_info * pinfo , proto_tree * tree )
{
gint offset , remaining_length , length , tag , one_bit ;
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/* Set up structures needed to add the protocol subtree and manage it */
proto_tree * v5ua_tree ;
proto_item * ti ;
/* Make entries in Protocol column and Info column on summary display */
col_set_str ( pinfo - > cinfo , COL_PROTOCOL , " V5UA " ) ;
/* end */
col_clear ( pinfo - > cinfo , COL_INFO ) ;
if ( tree ) {
/* create display subtree for the protocol */
ti = proto_tree_add_item ( tree , proto_v5ua , tvb , 0 , - 1 , ENC_NA ) ;
v5ua_tree = proto_item_add_subtree ( ti , ett_v5ua ) ;
}
else {
v5ua_tree = NULL ;
} ;
/* detect version of IUA */
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iua_version = RFC ;
offset = COMMON_HEADER_LENGTH ;
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remaining_length = tvb_length_remaining ( tvb , offset ) ;
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while ( remaining_length ) {
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tag = tvb_get_ntohs ( tvb , offset ) ;
/*0x01,0x03: Inerface Id (draft&RFC)*/
if ( tag = = 0x1 ) {
length = tvb_get_ntohs ( tvb , offset + 2 ) ;
tag = tvb_get_ntohs ( tvb , offset + length ) ;
/* tag 0x5 indicates the DLCI in the V5UA-Header accoriding to RFC spec */
if ( tag = = 0x81 ) {
remaining_length = FALSE ;
}
else {
one_bit = tvb_get_guint8 ( tvb , offset + 4 + length + 1 ) ;
/* no indication from DLCI by tag (in the V5UA-Header according DRAFT).
Thus the ONE - Bit within DLCI have to compare */
if ( ( one_bit & 0x01 ) = = 0x01 ) {
iua_version = DRAFT ;
remaining_length = FALSE ;
}
/* an indication to incorrect bit in DLCI.
Must be include to decode an incorrect implemented message on Nortels PVG */
else {
proto_item_append_text ( v5ua_tree , " !! DLCI INCORRECT !! " ) ;
iua_version = DRAFT ;
remaining_length = FALSE ;
}
}
}
/*0x02: AL Id (draft) following after common msg header without V5UA header*/
else if ( tag = = 0x02 ) {
iua_version = DRAFT ;
remaining_length = FALSE ;
}
/*0x03: Text formatted IId SHALL not be supported by draft*/
else if ( tag = = 0x03 ) {
iua_version = RFC ;
remaining_length = FALSE ;
}
else if ( tag = = 0x11 ) {
remaining_length = FALSE ;
}
/*ASP, Notify and Error messages (RFC) only contain common msg header followed by parameter*/
else if ( tag = = 0x04 | | tag = = 0x0a | | tag = = 0x0b | | tag = = 0x0c | | tag = = 0x0d ) {
remaining_length = FALSE ;
}
else {
offset + = 2 ;
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remaining_length = tvb_length_remaining ( tvb , offset ) ;
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}
/* add a notice for the draft version */
if ( iua_version = = DRAFT ) {
col_set_str ( pinfo - > cinfo , COL_PROTOCOL , " V5UA (draft) " ) ;
}
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}
/* dissect the message */
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dissect_v5ua_message ( tvb , pinfo , tree , v5ua_tree ) ;
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}
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/* Register the protocol with Wireshark */
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/* this format is require because a script is used to build the C function
that calls all the protocol registration . */
void
proto_register_v5ua ( void )
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{
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/* Setup list of header fields */
static hf_register_info hf [ ] = {
{ & hf_version ,
{ " Version " , " v5ua.version " ,
FT_UINT8 , BASE_DEC , VALS ( v5ua_protocol_version_values ) , 0x0 ,
NULL , HFILL } } ,
{ & hf_reserved ,
{ " Reserved " , " v5ua.reserved " ,
FT_UINT8 , BASE_HEX , NULL , 0x0 ,
NULL , HFILL } } ,
{ & hf_msg_class ,
{ " Message class " , " v5ua.msg_class " ,
FT_UINT8 , BASE_DEC , VALS ( msg_class_values ) , 0x0 ,
NULL , HFILL } } ,
{ & hf_msg_type ,
{ " Message Type " , " v5ua.msg_type " ,
FT_UINT8 , BASE_DEC , NULL , 0x0 ,
NULL , HFILL } } ,
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#if 0
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{ & hf_msg_type_id ,
{ " Message Type ID " , " v5ua.msg_type_id " ,
FT_UINT8 , BASE_DEC , VALS ( msg_class_type_values ) , 0x0 ,
NULL , HFILL } } ,
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# endif
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{ & hf_msg_length ,
{ " Message length " , " v5ua.msg_length " ,
FT_UINT32 , BASE_DEC , NULL , 0x0 ,
NULL , HFILL } } ,
{ & hf_link_id ,
{ " Link Identifier " , " v5ua.link_id " ,
FT_UINT32 , BASE_DEC , NULL , 0xffffffe0 ,
NULL , HFILL } } ,
{ & hf_chnl_id ,
{ " Channel Identifier " , " v5ua.channel_id " ,
FT_UINT8 , BASE_DEC , NULL , 0x1f ,
NULL , HFILL } } ,
{ & hf_adaptation_layer_id ,
{ " Adaptation Layer ID " , " v5ua.adaptation_layer_id " ,
FT_STRING , BASE_NONE , NULL , 0x0 ,
NULL , HFILL } } ,
{ & hf_text_if_id ,
{ " Text interface identifier " , " v5ua.text_interface_id " ,
FT_STRING , BASE_NONE , NULL , 0x0 ,
NULL , HFILL } } ,
{ & hf_scn_protocol_id ,
{ " SCN Protocol Identifier " , " v5ua.scn_protocol_id " ,
FT_STRING , BASE_NONE , NULL , 0x0 ,
NULL , HFILL } } ,
{ & hf_info_string ,
{ " Info String " , " v5ua.info_string " ,
FT_STRING , BASE_NONE , NULL , 0x0 ,
NULL , HFILL } } ,
{ & hf_asp_identifier ,
{ " ASP Identifier " , " v5ua.asp_identifier " ,
FT_UINT32 , BASE_HEX , NULL , 0x0 ,
NULL , HFILL } } ,
{ & hf_dlci_zero_bit ,
{ " Zero bit " , " v5ua.dlci_zero_bit " ,
FT_BOOLEAN , 8 , NULL , 0x01 ,
NULL , HFILL } } ,
{ & hf_dlci_spare_bit ,
{ " Spare bit " , " v5ua.dlci_spare_bit " ,
FT_BOOLEAN , 8 , NULL , 0x02 ,
NULL , HFILL } } ,
{ & hf_dlci_sapi ,
{ " SAPI " , " v5ua.dlci_sapi " ,
FT_UINT8 , BASE_HEX , NULL , 0xfc ,
NULL , HFILL } } ,
{ & hf_dlci_one_bit ,
{ " One bit " , " v5ua.dlci_one_bit " ,
FT_BOOLEAN , 8 , NULL , 0x01 ,
NULL , HFILL } } ,
{ & hf_dlci_tei ,
{ " TEI " , " v5ua.dlci_tei " ,
FT_UINT8 , BASE_HEX , NULL , 0xfe ,
NULL , HFILL } } ,
{ & hf_efa ,
{ " Envelope Function Address " , " v5ua.efa " ,
FT_UINT16 , BASE_DEC , VALS ( efa_values ) , 0x0 ,
NULL , HFILL } } ,
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#if 0
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{ & hf_spare_efa ,
{ " Envelope Function Address (spare) " , " v5ua.efa " ,
FT_UINT16 , BASE_DEC , NULL , ~ 7 ,
NULL , HFILL } } ,
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# endif
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{ & hf_asp_reason ,
{ " Reason " , " v5ua.asp_reason " ,
FT_UINT32 , BASE_HEX , VALS ( asp_reason_values ) , 0x0 ,
NULL , HFILL } } ,
{ & hf_release_reason ,
{ " Release Reason " , " v5ua.release_reason " ,
FT_UINT32 , BASE_HEX , VALS ( release_reason_values ) , 0x0 ,
NULL , HFILL } } ,
{ & hf_tei_status ,
{ " TEI status " , " v5ua.tei_status " ,
FT_UINT32 , BASE_HEX , VALS ( tei_status_values ) , 0x0 ,
NULL , HFILL } } ,
{ & hf_tei_draft_status ,
{ " TEI status " , " v5ua.tei_draft_status " ,
FT_UINT32 , BASE_HEX , VALS ( tei_draft_status_values ) , 0x0 ,
NULL , HFILL } } ,
{ & hf_link_status ,
{ " Link Status " , " v5ua.link_status " ,
FT_UINT32 , BASE_HEX , VALS ( link_status_values ) , 0x0 ,
NULL , HFILL } } ,
{ & hf_sa_bit_id ,
{ " BIT ID " , " v5ua.sa_bit_id " ,
FT_UINT16 , BASE_HEX , VALS ( sa_bit_values ) , 0x0 ,
NULL , HFILL } } ,
{ & hf_sa_bit_value ,
{ " Bit Value " , " v5ua.sa_bit_value " ,
FT_UINT16 , BASE_HEX , VALS ( sa_bit_values ) , 0x0 ,
NULL , HFILL } } ,
{ & hf_parameter_tag ,
{ " Parameter Tag " , " v5ua.parameter_tag " ,
FT_UINT16 , BASE_HEX , VALS ( parameter_tag_values ) , 0x0 ,
NULL , HFILL } } ,
{ & hf_parameter_tag_draft ,
{ " Parameter Tag " , " v5ua.parameter_tag " ,
FT_UINT16 , BASE_HEX , VALS ( parameter_tag_draft_values ) , 0x0 ,
NULL , HFILL } } ,
{ & hf_parameter_length ,
{ " Parameter length " , " v5ua.parameter_length " ,
FT_UINT16 , BASE_DEC , NULL , 0x0 ,
NULL , HFILL } } ,
{ & hf_parameter_value ,
{ " Parameter value " , " v5ua.parameter_value " ,
FT_BYTES , BASE_NONE , NULL , 0x0 ,
NULL , HFILL } } ,
{ & hf_parameter_padding ,
{ " Parameter padding " , " v5ua.parameter_padding " ,
FT_BYTES , BASE_NONE , NULL , 0x0 ,
NULL , HFILL } } ,
{ & hf_diagnostic_info ,
{ " Diagnostic Information " , " v5ua.diagnostic_info " ,
FT_BYTES , BASE_NONE , NULL , 0x0 ,
NULL , HFILL } } ,
{ & hf_if_range_start ,
{ " Interface range Start " , " v5ua.interface_range_start " ,
FT_UINT32 , BASE_HEX , NULL , 0x0 ,
NULL , HFILL } } ,
{ & hf_if_range_end ,
{ " Interface range End " , " v5ua.interface_range_end " ,
FT_UINT32 , BASE_HEX , NULL , 0x0 ,
NULL , HFILL } } ,
{ & hf_heartbeat_data ,
{ " Heartbeat data " , " v5ua.heartbeat_data " ,
FT_BYTES , BASE_NONE , NULL , 0x0 ,
NULL , HFILL } } ,
{ & hf_traffic_mode_type ,
{ " Traffic mode type " , " v5ua.traffic_mode_type " ,
FT_UINT32 , BASE_HEX , VALS ( traffic_mode_type_values ) , 0x0 ,
NULL , HFILL } } ,
{ & hf_error_code ,
{ " Error code " , " v5ua.error_code " ,
FT_UINT32 , BASE_HEX , VALS ( error_code_values ) , 0x0 ,
NULL , HFILL } } ,
{ & hf_draft_error_code ,
{ " Error code (draft) " , " v5ua.draft_error_code " ,
FT_UINT32 , BASE_HEX , VALS ( draft_error_code_values ) , 0x0 ,
NULL , HFILL } } ,
{ & hf_status_type ,
{ " Status type " , " v5ua.status_type " ,
FT_UINT16 , BASE_DEC , VALS ( status_type_values ) , 0x0 ,
NULL , HFILL } } ,
{ & hf_status_id ,
{ " Status identification " , " v5ua.status_id " ,
FT_UINT16 , BASE_DEC , NULL , 0x0 ,
NULL , HFILL } } ,
{ & hf_error_reason ,
{ " Error Reason " , " v5ua.error_reason " ,
FT_UINT32 , BASE_HEX , VALS ( error_reason_values ) , 0x0 ,
NULL , HFILL } }
} ;
/* Setup protocol subtree array */
static gint * ett [ ] = {
& ett_v5ua ,
& ett_v5ua_common_header ,
& ett_v5ua_parameter ,
& ett_v5ua_layer3
} ;
/* Register the protocol name and description */
proto_v5ua = proto_register_protocol ( " V5.2-User Adaptation Layer " , " V5UA " , " v5ua " ) ;
/* Required function calls to register the header fields and subtrees used */
proto_register_field_array ( proto_v5ua , hf , array_length ( hf ) ) ;
proto_register_subtree_array ( ett , array_length ( ett ) ) ;
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}
/* In RFC specification the SCTP registered User Port Number Assignment for V5UA is 5675 */
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# define SCTP_PORT_V5UA_RFC 5675
# define SCTP_PORT_V5UA_DRAFT 10001
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void
proto_reg_handoff_v5ua ( void )
{
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dissector_handle_t v5ua_handle ;
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v5ua_handle = create_dissector_handle ( dissect_v5ua , proto_v5ua ) ;
q931_handle = find_dissector ( " q931 " ) ;
v52_handle = find_dissector ( " v52 " ) ;
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dissector_add_uint ( " sctp.port " , SCTP_PORT_V5UA_DRAFT , v5ua_handle ) ;
dissector_add_uint ( " sctp.port " , SCTP_PORT_V5UA_RFC , v5ua_handle ) ;
dissector_add_uint ( " sctp.ppi " , V5UA_PAYLOAD_PROTOCOL_ID , v5ua_handle ) ;
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}
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/*
* Editor modelines - http : //www.wireshark.org/tools/modelines.html
*
* Local variables :
* c - basic - offset : 4
* tab - width : 8
* indent - tabs - mode : nil
* End :
*
* vi : set shiftwidth = 4 tabstop = 8 expandtab :
* : indentSize = 4 : tabSize = 8 : noTabs = true :
*/