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/* packet-epl.c
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* Routines for " Ethernet Powerlink 2.0 " dissection
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* ( ETHERNET Powerlink V2 .0 Communication Profile Specification Draft Standard Version 1.0 .0 )
*
* Copyright ( c ) 2006 : Zurich University of Applied Sciences Winterthur ( ZHW )
* Institute of Embedded Systems ( InES )
* http : //ines.zhwin.ch
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*
* - Dominic Bechaz < bdo [ AT ] zhwin . ch >
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* - Damir Bursic < bum [ AT ] zhwin . ch >
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* - David Buechi < bhd [ AT ] zhwin . ch >
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*
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* Copyright ( c ) 2007 : SYS TEC electronic GmbH
* http : //www.systec-electronic.com
* - Daniel Krueger < daniel . krueger [ AT ] systec - electronic . com >
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*
* $ Id $
*
* A plugin for :
* Wireshark - Network traffic analyzer
* By Gerald Combs < gerald @ wireshark . org >
* Copyright 1999 Gerald Combs
*
* 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 .
*
* 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 .
*
* You should have received a copy of the GNU General Public License
* along with this program ; if not , write to the Free Software
* Foundation , Inc . , 59 Temple Place - Suite 330 , Boston , MA 02111 - 1307 , USA .
*/
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# ifdef HAVE_CONFIG_H
# include "config.h"
# endif
# include <gmodule.h>
# include <epan/packet.h>
# include <epan/etypes.h>
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# include <epan/emem.h>
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# include <epan/prefs.h>
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# include "packet-epl.h"
/* Initialize the protocol and registered fields */
static gint proto_epl = - 1 ;
static gint hf_epl_mtyp = - 1 ;
static gint hf_epl_dest = - 1 ;
static gint hf_epl_src = - 1 ;
static gint hf_epl_soc_mc = - 1 ;
static gint hf_epl_soc_ps = - 1 ;
static gint hf_epl_soc_nettime = - 1 ;
static gint hf_epl_soc_relativetime = - 1 ;
static gint hf_epl_preq_ms = - 1 ;
static gint hf_epl_preq_ea = - 1 ;
static gint hf_epl_preq_rd = - 1 ;
static gint hf_epl_preq_pdov = - 1 ;
static gint hf_epl_preq_size = - 1 ;
static gint hf_epl_preq_pl = - 1 ;
static gint hf_epl_pres_stat_ms = - 1 ;
static gint hf_epl_pres_stat_cs = - 1 ;
static gint hf_epl_pres_ms = - 1 ;
static gint hf_epl_pres_en = - 1 ;
static gint hf_epl_pres_rd = - 1 ;
static gint hf_epl_pres_pr = - 1 ;
static gint hf_epl_pres_rs = - 1 ;
static gint hf_epl_pres_pdov = - 1 ;
static gint hf_epl_pres_size = - 1 ;
static gint hf_epl_pres_pl = - 1 ;
static gint hf_epl_soa_stat_ms = - 1 ;
static gint hf_epl_soa_stat_cs = - 1 ;
static gint hf_epl_soa_ea = - 1 ;
static gint hf_epl_soa_er = - 1 ;
static gint hf_epl_soa_svid = - 1 ;
static gint hf_epl_soa_svtg = - 1 ;
static gint hf_epl_soa_eplv = - 1 ;
static gint hf_epl_asnd_svid = - 1 ;
static gint hf_epl_asnd_data = - 1 ;
/*IdentResponse*/
static gint hf_epl_asnd_identresponse_en = - 1 ;
static gint hf_epl_asnd_identresponse_ec = - 1 ;
static gint hf_epl_asnd_identresponse_pr = - 1 ;
static gint hf_epl_asnd_identresponse_rs = - 1 ;
static gint hf_epl_asnd_identresponse_stat_ms = - 1 ;
static gint hf_epl_asnd_identresponse_stat_cs = - 1 ;
static gint hf_epl_asnd_identresponse_ever = - 1 ;
static gint hf_epl_asnd_identresponse_feat = - 1 ;
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static gint hf_epl_asnd_identresponse_feat_bit0 = - 1 ;
static gint hf_epl_asnd_identresponse_feat_bit1 = - 1 ;
static gint hf_epl_asnd_identresponse_feat_bit2 = - 1 ;
static gint hf_epl_asnd_identresponse_feat_bit3 = - 1 ;
static gint hf_epl_asnd_identresponse_feat_bit4 = - 1 ;
static gint hf_epl_asnd_identresponse_feat_bit5 = - 1 ;
static gint hf_epl_asnd_identresponse_feat_bit6 = - 1 ;
static gint hf_epl_asnd_identresponse_feat_bit7 = - 1 ;
static gint hf_epl_asnd_identresponse_feat_bit8 = - 1 ;
static gint hf_epl_asnd_identresponse_feat_bit9 = - 1 ;
static gint hf_epl_asnd_identresponse_feat_bitA = - 1 ;
static gint hf_epl_asnd_identresponse_feat_bitB = - 1 ;
static gint hf_epl_asnd_identresponse_feat_bitC = - 1 ;
static gint hf_epl_asnd_identresponse_feat_bitD = - 1 ;
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static gint hf_epl_asnd_identresponse_mtu = - 1 ;
static gint hf_epl_asnd_identresponse_pis = - 1 ;
static gint hf_epl_asnd_identresponse_pos = - 1 ;
static gint hf_epl_asnd_identresponse_rst = - 1 ;
static gint hf_epl_asnd_identresponse_dt = - 1 ;
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static gint hf_epl_asnd_identresponse_profile = - 1 ;
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static gint hf_epl_asnd_identresponse_vid = - 1 ;
static gint hf_epl_asnd_identresponse_productcode = - 1 ;
static gint hf_epl_asnd_identresponse_rno = - 1 ;
static gint hf_epl_asnd_identresponse_sno = - 1 ;
static gint hf_epl_asnd_identresponse_vex1 = - 1 ;
static gint hf_epl_asnd_identresponse_vcd = - 1 ;
static gint hf_epl_asnd_identresponse_vct = - 1 ;
static gint hf_epl_asnd_identresponse_ad = - 1 ;
static gint hf_epl_asnd_identresponse_at = - 1 ;
static gint hf_epl_asnd_identresponse_ipa = - 1 ;
static gint hf_epl_asnd_identresponse_snm = - 1 ;
static gint hf_epl_asnd_identresponse_gtw = - 1 ;
static gint hf_epl_asnd_identresponse_hn = - 1 ;
static gint hf_epl_asnd_identresponse_vex2 = - 1 ;
/*StatusResponse*/
static gint hf_epl_asnd_statusresponse_en = - 1 ;
static gint hf_epl_asnd_statusresponse_ec = - 1 ;
static gint hf_epl_asnd_statusresponse_pr = - 1 ;
static gint hf_epl_asnd_statusresponse_rs = - 1 ;
static gint hf_epl_asnd_statusresponse_stat_ms = - 1 ;
static gint hf_epl_asnd_statusresponse_stat_cs = - 1 ;
static gint hf_epl_asnd_statusresponse_seb = - 1 ;
/*StaticErrorBitField */
static gint hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit0 = - 1 ;
static gint hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit1 = - 1 ;
static gint hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit2 = - 1 ;
static gint hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit3 = - 1 ;
static gint hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit4 = - 1 ;
static gint hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit5 = - 1 ;
static gint hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit7 = - 1 ;
static gint hf_epl_asnd_statusresponse_seb_devicespecific_err = - 1 ;
/*List of Errors/Events*/
static gint hf_epl_asnd_statusresponse_el = - 1 ;
static gint hf_epl_asnd_statusresponse_el_entry = - 1 ;
static gint hf_epl_asnd_statusresponse_el_entry_type = - 1 ;
static gint hf_epl_asnd_statusresponse_el_entry_type_profile = - 1 ;
static gint hf_epl_asnd_statusresponse_el_entry_type_mode = - 1 ;
static gint hf_epl_asnd_statusresponse_el_entry_type_bit14 = - 1 ;
static gint hf_epl_asnd_statusresponse_el_entry_type_bit15 = - 1 ;
static gint hf_epl_asnd_statusresponse_el_entry_code = - 1 ;
static gint hf_epl_asnd_statusresponse_el_entry_time = - 1 ;
static gint hf_epl_asnd_statusresponse_el_entry_add = - 1 ;
/*NMTRequest*/
static gint hf_epl_asnd_nmtrequest_rcid = - 1 ;
static gint hf_epl_asnd_nmtrequest_rct = - 1 ;
static gint hf_epl_asnd_nmtrequest_rcd = - 1 ;
/*NMTCommand*/
static gint hf_epl_asnd_nmtcommand_cid = - 1 ;
static gint hf_epl_asnd_nmtcommand_cdat = - 1 ;
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/*static gint hf_epl_asnd_nmtcommand_nmtnetparameterset_mtu = -1;*/
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static gint hf_epl_asnd_nmtcommand_nmtnethostnameset_hn = - 1 ;
static gint hf_epl_asnd_nmtcommand_nmtflusharpentry_nid = - 1 ;
static gint hf_epl_asnd_nmtcommand_nmtpublishtime_dt = - 1 ;
/*Asynchronuous SDO Sequence Layer*/
static gint hf_epl_asnd_sdo_seq_receive_sequence_number = - 1 ;
static gint hf_epl_asnd_sdo_seq_receive_con = - 1 ;
static gint hf_epl_asnd_sdo_seq_send_sequence_number = - 1 ;
static gint hf_epl_asnd_sdo_seq_send_con = - 1 ;
/*Asynchronuous SDO Command Layer*/
static gint hf_epl_asnd_sdo_cmd_transaction_id = - 1 ;
static gint hf_epl_asnd_sdo_cmd_response = - 1 ;
static gint hf_epl_asnd_sdo_cmd_abort = - 1 ;
static gint hf_epl_asnd_sdo_cmd_segmentation = - 1 ;
static gint hf_epl_asnd_sdo_cmd_command_id = - 1 ;
static gint hf_epl_asnd_sdo_cmd_segment_size = - 1 ;
static gint hf_epl_asnd_sdo_cmd_data_size = - 1 ;
static gint hf_epl_asnd_sdo_cmd_abort_code = - 1 ;
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/*static gint hf_epl_asnd_sdo_cmd_abort_flag = -1;*/
/*static gint hf_epl_asnd_sdo_cmd_segmentation_flag = -1;*/
/*static gint hf_epl_asnd_sdo_cmd_cmd_valid_test = -1;*/
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/*static gint hf_epl_asnd_sdo_actual_command_id = -1;*/
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static gint hf_epl_asnd_sdo_cmd_write_by_index_index = - 1 ;
static gint hf_epl_asnd_sdo_cmd_write_by_index_subindex = - 1 ;
static gint hf_epl_asnd_sdo_cmd_write_by_index_data = - 1 ;
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/*static gint hf_epl_asnd_sdo_cmd_write_by_index_response = -1;*/
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static gint hf_epl_asnd_sdo_cmd_read_by_index_index = - 1 ;
static gint hf_epl_asnd_sdo_cmd_read_by_index_subindex = - 1 ;
static gint hf_epl_asnd_sdo_cmd_read_by_index_data = - 1 ;
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/*static gint hf_epl_asnd_sdo_cmd_read_by_index_response = -1;*/
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/*static gint hf_epl_asnd_sdo_actual_segment_size = -1;*/
/*static gint hf_epl_asnd_sdo_actual_payload_size_read = -1;*/
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/* Initialize the subtree pointers */
static gint ett_epl = - 1 ;
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static gint ett_epl_feat = - 1 ;
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static gint ett_epl_seb = - 1 ;
static gint ett_epl_el = - 1 ;
static gint ett_epl_el_entry = - 1 ;
static gint ett_epl_el_entry_type = - 1 ;
static gint ett_epl_sdo_entry_type = - 1 ;
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/* preference whether or not display the SoC flags in info column */
gboolean show_soc_flags = FALSE ;
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/* Define the tap for epl */
/*static gint epl_tap = -1;*/
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/* Code to actually dissect the packets */
static gboolean
dissect_epl ( tvbuff_t * tvb , packet_info * pinfo , proto_tree * tree )
{
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guint8 epl_mtyp , epl_src , epl_dest ;
const gchar * src_str , * dest_str ;
gboolean udpencap = FALSE ;
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/* static epl_info_t mi; */
/* Set up structures needed to add the protocol subtree and manage it */
proto_item * ti ;
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proto_tree * epl_tree = NULL , * epl_src_item , * epl_dest_item ;
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gint offset = 0 ;
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if ( tvb_length ( tvb ) < 3 )
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{
/* Not enough data for an EPL header; don't try to interpret it */
return FALSE ;
}
/* Make entries in Protocol column and Info column on summary display */
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if ( pinfo - > ethertype = = ETHERTYPE_EPL_V2 )
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{
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if ( check_col ( pinfo - > cinfo , COL_PROTOCOL ) )
{
col_set_str ( pinfo - > cinfo , COL_PROTOCOL , " EPL " ) ;
}
udpencap = FALSE ;
}
else
{ /* guess that this is an EPL frame encapsulated into an UDP datagram */
if ( check_col ( pinfo - > cinfo , COL_PROTOCOL ) )
{
col_set_str ( pinfo - > cinfo , COL_PROTOCOL , " EPL/UDP " ) ;
}
udpencap = TRUE ;
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}
/* Get message type */
epl_mtyp = tvb_get_guint8 ( tvb , EPL_MTYP_OFFSET ) & 0x7F ;
/* tap */
/* mi.epl_mtyp = epl_mtyp;
tap_queue_packet ( epl_tap , pinfo , & mi ) ;
*/
/* Get Destination */
epl_dest = tvb_get_guint8 ( tvb , EPL_DEST_OFFSET ) ;
dest_str = decode_epl_address ( epl_dest ) ;
/* Get Source */
epl_src = tvb_get_guint8 ( tvb , EPL_SRC_OFFSET ) ;
src_str = decode_epl_address ( epl_src ) ;
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if ( check_col ( pinfo - > cinfo , COL_INFO ) )
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{
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col_clear ( pinfo - > cinfo , COL_INFO ) ;
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/* Choose the right string for "Info" column (message type) */
switch ( epl_mtyp )
{
case EPL_SOC :
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/* source and destination NodeID are fixed according to the spec */
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col_set_str ( pinfo - > cinfo , COL_INFO , " SoC " ) ;
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break ;
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case EPL_PREQ :
/* show only destination NodeID, because source is always 240 (MN) */
col_add_fstr ( pinfo - > cinfo , COL_INFO , " PReq dst = %3d " , epl_dest ) ;
break ;
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case EPL_PRES :
/* show only source NodeID, because destination is always 255 (broadcast) */
col_add_fstr ( pinfo - > cinfo , COL_INFO , " PRes src = %3d " , epl_src ) ;
break ;
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case EPL_SOA :
/* source and destination NodeID are fixed according to the spec */
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col_set_str ( pinfo - > cinfo , COL_INFO , " SoA " ) ;
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break ;
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case EPL_ASND :
if ( udpencap )
{
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col_set_str ( pinfo - > cinfo , COL_INFO , " ASnd " ) ;
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}
else
{
col_add_fstr ( pinfo - > cinfo , COL_INFO , " ASnd src = %3d dst = %3d " , epl_src , epl_dest ) ;
}
break ;
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default : /* no valid EPL packet */
return FALSE ;
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}
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}
if ( tree )
{
/* create display subtree for the protocol */
ti = proto_tree_add_item ( tree , proto_epl , tvb , 0 , - 1 , TRUE ) ;
epl_tree = proto_item_add_subtree ( ti , ett_epl ) ;
proto_tree_add_item ( epl_tree ,
hf_epl_mtyp , tvb , offset , 1 , TRUE ) ;
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}
offset + = 1 ;
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if ( tree & & ! udpencap )
{
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epl_dest_item = proto_tree_add_item ( epl_tree , hf_epl_dest , tvb , offset , 1 , TRUE ) ;
proto_item_append_text ( epl_dest_item , dest_str ) ;
offset + = 1 ;
epl_src_item = proto_tree_add_item ( epl_tree , hf_epl_src , tvb , offset , 1 , TRUE ) ;
proto_item_append_text ( epl_src_item , src_str ) ;
offset + = 1 ;
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}
else
{
offset + = 2 ;
}
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/* The rest of the EPL dissector depends on the message type */
switch ( epl_mtyp )
{
case EPL_SOC :
offset = dissect_epl_soc ( epl_tree , tvb , pinfo , offset ) ;
break ;
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case EPL_PREQ :
offset = dissect_epl_preq ( epl_tree , tvb , pinfo , offset ) ;
break ;
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case EPL_PRES :
offset = dissect_epl_pres ( epl_tree , tvb , pinfo , epl_src , offset ) ;
break ;
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case EPL_SOA :
offset = dissect_epl_soa ( epl_tree , tvb , pinfo , epl_src , offset ) ;
break ;
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case EPL_ASND :
offset = dissect_epl_asnd ( epl_tree , tvb , pinfo , epl_src , offset ) ;
break ;
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default : /* no valid EPL packet */
return FALSE ;
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}
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return TRUE ;
}
const gchar *
decode_epl_address ( guchar adr )
{
const gchar * addr_str ;
addr_str = match_strval ( adr , addr_str_vals ) ;
if ( addr_str ! = NULL )
{
return addr_str ;
}
else
{
if ( ( adr < EPL_MN_NODEID ) & & ( adr > EPL_INVALID_NODEID ) )
{
return addr_str_cn ;
}
else
{
return addr_str_res ;
}
}
}
/* Get the abbreviation for an EPL NodeID */
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/*const gchar*
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decode_epl_address_abbrev ( guchar adr )
{
const gchar * addr_str ;
addr_str = match_strval ( adr , addr_str_abbr_vals ) ;
if ( addr_str ! = NULL )
{
return addr_str ;
}
else
{
if ( ( adr < EPL_MN_NODEID ) & & ( adr > EPL_INVALID_NODEID ) )
{
return addr_str_abbr_cn ;
}
else
{
return addr_str_abbr_res ;
}
}
}
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*/
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gint
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dissect_epl_soc ( proto_tree * epl_tree , tvbuff_t * tvb , packet_info * pinfo , gint offset )
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{
nstime_t nettime ;
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guint8 flags ;
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offset + = 1 ;
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flags = tvb_get_guint8 ( tvb , offset ) ;
if ( epl_tree )
{
proto_tree_add_boolean ( epl_tree , hf_epl_soc_mc , tvb , offset , 1 , flags ) ;
proto_tree_add_boolean ( epl_tree , hf_epl_soc_ps , tvb , offset , 1 , flags ) ;
}
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offset + = 2 ;
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if ( show_soc_flags & & check_col ( pinfo - > cinfo , COL_INFO ) )
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{
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col_append_fstr ( pinfo - > cinfo , COL_INFO , " MC = %d PS = %d " ,
( ( EPL_SOC_MC_MASK & flags ) > > 7 ) , ( ( EPL_SOC_PS_MASK & flags ) > > 6 ) ) ;
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}
if ( epl_tree )
{
nettime . secs = tvb_get_letohl ( tvb , offset ) ;
nettime . nsecs = tvb_get_letohl ( tvb , offset + 4 ) ;
proto_tree_add_time_format_value ( epl_tree , hf_epl_soc_nettime ,
tvb , offset , 8 , & nettime , " %s " , abs_time_to_str ( & nettime ) ) ;
offset + = 8 ;
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proto_tree_add_item ( epl_tree , hf_epl_soc_relativetime , tvb , offset , 8 , TRUE ) ;
offset + = 8 ;
}
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return offset ;
}
gint
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dissect_epl_preq ( proto_tree * epl_tree , tvbuff_t * tvb , packet_info * pinfo , gint offset )
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{
guint16 len ;
guint8 pdoversion ;
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guint8 flags ;
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offset + = 1 ;
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flags = tvb_get_guint8 ( tvb , offset ) ;
if ( epl_tree )
{
proto_tree_add_boolean ( epl_tree , hf_epl_preq_ms , tvb , offset , 1 , flags ) ;
proto_tree_add_boolean ( epl_tree , hf_epl_preq_ea , tvb , offset , 1 , flags ) ;
proto_tree_add_boolean ( epl_tree , hf_epl_preq_rd , tvb , offset , 1 , flags ) ;
}
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offset + = 2 ;
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pdoversion = tvb_get_guint8 ( tvb , offset ) ;
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if ( epl_tree )
{
proto_tree_add_string_format ( epl_tree , hf_epl_preq_pdov , tvb , offset ,
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1 , " " , " PDOVersion %d.%d " , hi_nibble ( pdoversion ) , lo_nibble ( pdoversion ) ) ;
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}
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offset + = 2 ;
/* get size of payload */
len = tvb_get_letohs ( tvb , offset ) ;
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if ( epl_tree )
{
proto_tree_add_uint ( epl_tree , hf_epl_preq_size , tvb , offset , 2 , len ) ;
}
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offset + = 2 ;
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if ( epl_tree & & ( len > 0 ) )
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{
proto_tree_add_item ( epl_tree , hf_epl_preq_pl , tvb , offset , len , TRUE ) ;
}
offset + = len ;
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if ( check_col ( pinfo - > cinfo , COL_INFO ) )
{
col_append_fstr ( pinfo - > cinfo , COL_INFO , " RD = %d size = %d ver = %d.%d " ,
( EPL_PDO_RD_MASK & flags ) , len , hi_nibble ( pdoversion ) , lo_nibble ( pdoversion ) ) ;
}
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return offset ;
}
gint
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dissect_epl_pres ( proto_tree * epl_tree , tvbuff_t * tvb , packet_info * pinfo , guint8 epl_src , gint offset )
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{
guint16 len ;
guint8 pdoversion ;
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guint8 flags ;
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if ( epl_tree )
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{
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if ( epl_src ! = EPL_MN_NODEID ) /* check if the sender is CN or MN */
{
proto_tree_add_item ( epl_tree , hf_epl_pres_stat_cs , tvb , offset , 1 , TRUE ) ;
}
else /* MN */
{
proto_tree_add_item ( epl_tree , hf_epl_pres_stat_ms , tvb , offset , 1 , TRUE ) ;
}
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}
offset + = 1 ;
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flags = tvb_get_guint8 ( tvb , offset ) ;
if ( epl_tree )
{
proto_tree_add_boolean ( epl_tree , hf_epl_pres_ms , tvb , offset , 1 , flags ) ;
proto_tree_add_boolean ( epl_tree , hf_epl_pres_en , tvb , offset , 1 , flags ) ;
proto_tree_add_boolean ( epl_tree , hf_epl_pres_rd , tvb , offset , 1 , flags ) ;
}
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offset + = 1 ;
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if ( epl_tree )
{
proto_tree_add_item ( epl_tree , hf_epl_pres_pr , tvb , offset , 1 , TRUE ) ;
proto_tree_add_item ( epl_tree , hf_epl_pres_rs , tvb , offset , 1 , TRUE ) ;
}
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offset + = 1 ;
pdoversion = tvb_get_guint8 ( tvb , offset ) ;
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if ( epl_tree )
{
proto_tree_add_string_format ( epl_tree , hf_epl_pres_pdov , tvb , offset ,
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1 , " " , " PDOVersion %d.%d " , hi_nibble ( pdoversion ) , lo_nibble ( pdoversion ) ) ;
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}
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offset + = 2 ;
/* get size of payload */
len = tvb_get_letohs ( tvb , offset ) ;
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if ( epl_tree )
{
proto_tree_add_uint ( epl_tree , hf_epl_pres_size , tvb , offset , 2 , len ) ;
}
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offset + = 2 ;
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if ( epl_tree & & ( len > 0 ) )
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{
proto_tree_add_item ( epl_tree , hf_epl_pres_pl , tvb , offset , len , TRUE ) ;
}
offset + = len ;
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if ( check_col ( pinfo - > cinfo , COL_INFO ) )
{
col_append_fstr ( pinfo - > cinfo , COL_INFO , " RD = %d size = %d ver = %d.%d " ,
( EPL_PDO_RD_MASK & flags ) , len , hi_nibble ( pdoversion ) , lo_nibble ( pdoversion ) ) ;
}
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return offset ;
}
gint
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dissect_epl_soa ( proto_tree * epl_tree , tvbuff_t * tvb , packet_info * pinfo , guint8 epl_src , gint offset )
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{
guint8 eplversion ;
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guint8 svid , target ;
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if ( epl_tree )
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{
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if ( epl_src ! = EPL_MN_NODEID ) /* check if CN or MN */
{
proto_tree_add_item ( epl_tree , hf_epl_soa_stat_cs , tvb , offset , 1 , TRUE ) ;
}
else /* MN */
{
proto_tree_add_item ( epl_tree , hf_epl_soa_stat_ms , tvb , offset , 1 , TRUE ) ;
}
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}
offset + = 1 ;
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if ( epl_tree )
{
proto_tree_add_item ( epl_tree , hf_epl_soa_ea , tvb , offset , 1 , TRUE ) ;
proto_tree_add_item ( epl_tree , hf_epl_soa_er , tvb , offset , 1 , TRUE ) ;
}
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offset + = 2 ;
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svid = tvb_get_guint8 ( tvb , offset ) ;
if ( epl_tree )
{
proto_tree_add_uint ( epl_tree , hf_epl_soa_svid , tvb , offset , 1 , svid ) ;
}
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offset + = 1 ;
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target = tvb_get_guint8 ( tvb , offset ) ;
if ( epl_tree )
{
proto_tree_add_uint ( epl_tree , hf_epl_soa_svtg , tvb , offset , 1 , target ) ;
}
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offset + = 1 ;
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if ( svid ! = EPL_SOA_NOSERVICE & & check_col ( pinfo - > cinfo , COL_INFO ) )
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{
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col_append_fstr ( pinfo - > cinfo , COL_INFO , " tgt = %3d %s " ,
target , match_strval ( svid , soa_svid_vals ) ) ;
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}
if ( epl_tree )
{
eplversion = tvb_get_guint8 ( tvb , offset ) ;
proto_tree_add_string_format ( epl_tree , hf_epl_soa_eplv , tvb , offset ,
1 , " " , " EPLVersion %d.%d " , hi_nibble ( eplversion ) , lo_nibble ( eplversion ) ) ;
}
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offset + = 1 ;
return offset ;
}
gint
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dissect_epl_asnd ( proto_tree * epl_tree , tvbuff_t * tvb , packet_info * pinfo , guint8 epl_src , gint offset )
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{
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guint8 svid ;
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/* get ServiceID of payload */
svid = tvb_get_guint8 ( tvb , offset ) ;
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if ( epl_tree )
{
proto_tree_add_uint ( epl_tree , hf_epl_asnd_svid , tvb , offset , 1 , svid ) ;
}
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offset + = 1 ;
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if ( check_col ( pinfo - > cinfo , COL_INFO ) )
{
col_append_fstr ( pinfo - > cinfo , COL_INFO , " %s " ,
match_strval ( svid , asnd_svid_vals ) ) ;
}
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switch ( svid )
{
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case EPL_ASND_IDENTRESPONSE :
offset = dissect_epl_asnd_ires ( epl_tree , tvb , pinfo , epl_src , offset ) ;
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break ;
case EPL_ASND_STATUSRESPONSE :
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offset = dissect_epl_asnd_sres ( epl_tree , tvb , pinfo , epl_src , offset ) ;
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break ;
case EPL_ASND_NMTREQUEST :
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offset = dissect_epl_asnd_nmtreq ( epl_tree , tvb , pinfo , offset ) ;
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break ;
case EPL_ASND_NMTCOMMAND :
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offset = dissect_epl_asnd_nmtcmd ( epl_tree , tvb , pinfo , offset ) ;
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break ;
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case EPL_ASND_SDO :
offset = dissect_epl_asnd_sdo ( epl_tree , tvb , pinfo , offset ) ;
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break ;
}
return offset ;
}
gint
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dissect_epl_asnd_nmtreq ( proto_tree * epl_tree , tvbuff_t * tvb , packet_info * pinfo , gint offset )
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{
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guint8 rcid ;
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rcid = tvb_get_guint8 ( tvb , offset ) ;
if ( epl_tree )
{
proto_tree_add_uint ( epl_tree , hf_epl_asnd_nmtrequest_rcid , tvb , offset , 1 , rcid ) ;
offset + = 1 ;
proto_tree_add_item ( epl_tree , hf_epl_asnd_nmtrequest_rct , tvb , offset , 1 , TRUE ) ;
offset + = 1 ;
proto_tree_add_item ( epl_tree , hf_epl_asnd_nmtrequest_rcd , tvb , offset , - 1 , TRUE ) ;
}
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if ( check_col ( pinfo - > cinfo , COL_INFO ) )
{
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col_append_str ( pinfo - > cinfo , COL_INFO ,
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match_strval ( rcid , asnd_cid_vals ) ) ;
}
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return offset ;
}
gint
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dissect_epl_asnd_nmtcmd ( proto_tree * epl_tree , tvbuff_t * tvb , packet_info * pinfo , gint offset )
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{
guint8 epl_asnd_nmtcommand_cid ;
epl_asnd_nmtcommand_cid = tvb_get_guint8 ( tvb , offset ) ;
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if ( epl_tree )
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{
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proto_tree_add_uint ( epl_tree , hf_epl_asnd_nmtcommand_cid , tvb , offset , 1 , epl_asnd_nmtcommand_cid ) ;
offset + = 2 ;
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switch ( epl_asnd_nmtcommand_cid )
{
case EPL_ASND_NMTCOMMAND_NMTNETHOSTNAMESET :
proto_tree_add_item ( epl_tree , hf_epl_asnd_nmtcommand_nmtnethostnameset_hn , tvb , offset , 32 , TRUE ) ;
offset + = 32 ;
break ;
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case EPL_ASND_NMTCOMMAND_NMTFLUSHARPENTRY :
proto_tree_add_item ( epl_tree , hf_epl_asnd_nmtcommand_nmtflusharpentry_nid , tvb , offset , 1 , TRUE ) ;
offset + = 1 ;
break ;
case EPL_ASND_NMTCOMMAND_NMTPUBLISHTIME :
proto_tree_add_item ( epl_tree , hf_epl_asnd_nmtcommand_nmtpublishtime_dt , tvb , offset , 6 , TRUE ) ;
offset + = 6 ;
break ;
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default :
proto_tree_add_item ( epl_tree , hf_epl_asnd_nmtcommand_cdat , tvb , offset , - 1 , TRUE ) ;
}
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}
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if ( check_col ( pinfo - > cinfo , COL_INFO ) )
{
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col_append_str ( pinfo - > cinfo , COL_INFO ,
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match_strval ( epl_asnd_nmtcommand_cid , asnd_cid_vals ) ) ;
}
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return offset ;
}
gint
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dissect_epl_asnd_ires ( proto_tree * epl_tree , tvbuff_t * tvb , packet_info * pinfo , guint8 epl_src , gint offset )
2006-08-22 19:55:31 +00:00
{
guint8 eplversion ;
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guint16 profile , additional ;
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guint32 epl_asnd_identresponse_ipa , epl_asnd_identresponse_snm , epl_asnd_identresponse_gtw ;
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guint32 epl_asnd_ires_feat , device_type ;
proto_item * ti_feat ;
proto_tree * epl_feat_tree ;
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device_type = tvb_get_letohl ( tvb , offset + 22 ) ;
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profile = tvb_get_letohs ( tvb , offset + 22 ) ;
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if ( epl_tree )
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{
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proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_en , tvb , offset , 1 , TRUE ) ;
proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_ec , tvb , offset , 1 , TRUE ) ;
offset + = 1 ;
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proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_pr , tvb , offset , 1 , TRUE ) ;
proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_rs , tvb , offset , 1 , TRUE ) ;
offset + = 1 ;
2006-08-22 19:55:31 +00:00
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if ( epl_src ! = EPL_MN_NODEID ) /* check if CN or MN */
{
proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_stat_cs , tvb , offset , 1 , TRUE ) ;
}
else /* MN */
{
proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_stat_ms , tvb , offset , 1 , TRUE ) ;
}
offset + = 2 ;
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eplversion = tvb_get_guint8 ( tvb , offset ) ;
proto_tree_add_string_format ( epl_tree , hf_epl_asnd_identresponse_ever , tvb , offset ,
1 , " " , " EPLVersion %d.%d " , hi_nibble ( eplversion ) , lo_nibble ( eplversion ) ) ;
offset + = 2 ;
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/* decode FeatureFlags */
epl_asnd_ires_feat = tvb_get_letohl ( tvb , offset ) ;
ti_feat = proto_tree_add_uint ( epl_tree , hf_epl_asnd_identresponse_feat , tvb , offset , 4 , epl_asnd_ires_feat ) ;
epl_feat_tree = proto_item_add_subtree ( ti_feat , ett_epl_feat ) ;
proto_tree_add_boolean ( epl_feat_tree , hf_epl_asnd_identresponse_feat_bit0 , tvb , offset , 4 , epl_asnd_ires_feat ) ;
proto_tree_add_boolean ( epl_feat_tree , hf_epl_asnd_identresponse_feat_bit1 , tvb , offset , 4 , epl_asnd_ires_feat ) ;
proto_tree_add_boolean ( epl_feat_tree , hf_epl_asnd_identresponse_feat_bit2 , tvb , offset , 4 , epl_asnd_ires_feat ) ;
proto_tree_add_boolean ( epl_feat_tree , hf_epl_asnd_identresponse_feat_bit3 , tvb , offset , 4 , epl_asnd_ires_feat ) ;
proto_tree_add_boolean ( epl_feat_tree , hf_epl_asnd_identresponse_feat_bit4 , tvb , offset , 4 , epl_asnd_ires_feat ) ;
proto_tree_add_boolean ( epl_feat_tree , hf_epl_asnd_identresponse_feat_bit5 , tvb , offset , 4 , epl_asnd_ires_feat ) ;
proto_tree_add_boolean ( epl_feat_tree , hf_epl_asnd_identresponse_feat_bit6 , tvb , offset , 4 , epl_asnd_ires_feat ) ;
proto_tree_add_boolean ( epl_feat_tree , hf_epl_asnd_identresponse_feat_bit7 , tvb , offset , 4 , epl_asnd_ires_feat ) ;
proto_tree_add_boolean ( epl_feat_tree , hf_epl_asnd_identresponse_feat_bit8 , tvb , offset , 4 , epl_asnd_ires_feat ) ;
proto_tree_add_boolean ( epl_feat_tree , hf_epl_asnd_identresponse_feat_bit9 , tvb , offset , 4 , epl_asnd_ires_feat ) ;
proto_tree_add_boolean ( epl_feat_tree , hf_epl_asnd_identresponse_feat_bitA , tvb , offset , 4 , epl_asnd_ires_feat ) ;
proto_tree_add_boolean ( epl_feat_tree , hf_epl_asnd_identresponse_feat_bitB , tvb , offset , 4 , epl_asnd_ires_feat ) ;
proto_tree_add_boolean ( epl_feat_tree , hf_epl_asnd_identresponse_feat_bitC , tvb , offset , 4 , epl_asnd_ires_feat ) ;
proto_tree_add_boolean ( epl_feat_tree , hf_epl_asnd_identresponse_feat_bitD , tvb , offset , 4 , epl_asnd_ires_feat ) ;
offset + = 4 ;
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proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_mtu , tvb , offset , 2 , TRUE ) ;
offset + = 2 ;
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proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_pis , tvb , offset , 2 , TRUE ) ;
offset + = 2 ;
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proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_pos , tvb , offset , 2 , TRUE ) ;
offset + = 2 ;
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proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_rst , tvb , offset , 4 , TRUE ) ;
offset + = 6 ;
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additional = tvb_get_letohs ( tvb , offset + 2 ) ;
proto_tree_add_string_format ( epl_tree , hf_epl_asnd_identresponse_dt , tvb , offset ,
4 , " " , " Device Type: Profil %d (%s), Additional Information: 0x%4.4X " ,
profile , val_to_str ( profile , epl_device_profiles , " Unkown Profile " ) , additional ) ;
proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_profile , tvb , offset , 2 , TRUE ) ;
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offset + = 4 ;
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proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_vid , tvb , offset , 4 , TRUE ) ;
offset + = 4 ;
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proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_productcode , tvb , offset , 4 , TRUE ) ;
offset + = 4 ;
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proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_rno , tvb , offset , 4 , TRUE ) ;
offset + = 4 ;
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proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_sno , tvb , offset , 4 , TRUE ) ;
offset + = 4 ;
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proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_vex1 , tvb , offset , 8 , TRUE ) ;
offset + = 8 ;
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proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_vcd , tvb , offset , 4 , TRUE ) ;
offset + = 4 ;
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proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_vct , tvb , offset , 4 , TRUE ) ;
offset + = 4 ;
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proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_ad , tvb , offset , 4 , TRUE ) ;
offset + = 4 ;
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proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_at , tvb , offset , 4 , TRUE ) ;
offset + = 4 ;
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epl_asnd_identresponse_ipa = tvb_get_ntohl ( tvb , offset ) ;
proto_tree_add_ipv4 ( epl_tree , hf_epl_asnd_identresponse_ipa , tvb , offset , 4 , epl_asnd_identresponse_ipa ) ;
offset + = 4 ;
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epl_asnd_identresponse_snm = tvb_get_ntohl ( tvb , offset ) ;
proto_tree_add_ipv4 ( epl_tree , hf_epl_asnd_identresponse_snm , tvb , offset , 4 , epl_asnd_identresponse_snm ) ;
offset + = 4 ;
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epl_asnd_identresponse_gtw = tvb_get_ntohl ( tvb , offset ) ;
proto_tree_add_ipv4 ( epl_tree , hf_epl_asnd_identresponse_gtw , tvb , offset , 4 , epl_asnd_identresponse_gtw ) ;
offset + = 4 ;
proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_hn , tvb , offset , 32 , TRUE ) ;
offset + = 32 ;
proto_tree_add_item ( epl_tree , hf_epl_asnd_identresponse_vex2 , tvb , offset , 48 , TRUE ) ;
offset + = 48 ;
}
if ( check_col ( pinfo - > cinfo , COL_INFO ) )
{
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col_append_str ( pinfo - > cinfo , COL_INFO , val_to_str ( profile , epl_device_profiles , " Device Profile %d " ) ) ;
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}
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return offset ;
}
gint
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dissect_epl_asnd_sres ( proto_tree * epl_tree , tvbuff_t * tvb , packet_info * pinfo , guint8 epl_src , gint offset )
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{
proto_item * ti_seb , * ti_el , * ti_el_entry , * ti_el_entry_type ;
proto_tree * epl_seb_tree , * epl_el_tree , * epl_el_entry_tree , * epl_el_entry_type_tree ;
guint number_of_entries , cnt ; /* used for dissection of ErrorCodeList */
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guint8 nmt_state ;
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if ( epl_tree )
{
proto_tree_add_item ( epl_tree , hf_epl_asnd_statusresponse_en , tvb , offset , 1 , TRUE ) ;
proto_tree_add_item ( epl_tree , hf_epl_asnd_statusresponse_ec , tvb , offset , 1 , TRUE ) ;
offset + = 1 ;
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proto_tree_add_item ( epl_tree , hf_epl_asnd_statusresponse_pr , tvb , offset , 1 , TRUE ) ;
proto_tree_add_item ( epl_tree , hf_epl_asnd_statusresponse_rs , tvb , offset , 1 , TRUE ) ;
offset + = 1 ;
}
else
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{
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offset + = 2 ;
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}
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nmt_state = tvb_get_guint8 ( tvb , offset ) ;
if ( check_col ( pinfo - > cinfo , COL_INFO ) )
{
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col_append_fstr ( pinfo - > cinfo , COL_INFO , " %s " , match_strval ( nmt_state , epl_nmt_cs_vals ) ) ;
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}
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if ( epl_tree )
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{
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if ( epl_src ! = EPL_MN_NODEID ) /* check if CN or MN */
{
proto_tree_add_uint ( epl_tree , hf_epl_asnd_statusresponse_stat_cs , tvb , offset , 1 , nmt_state ) ;
}
else /* MN */
{
proto_tree_add_uint ( epl_tree , hf_epl_asnd_statusresponse_stat_ms , tvb , offset , 1 , nmt_state ) ;
}
offset + = 4 ;
/* Subtree for the static error bitfield */
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ti_seb = proto_tree_add_text ( epl_tree , tvb , offset , 8 , " StaticErrorBitfield " ) ;
epl_seb_tree = proto_item_add_subtree ( ti_seb , ett_epl_seb ) ;
proto_tree_add_item ( epl_seb_tree , hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit0 , tvb , offset , 1 , TRUE ) ;
proto_tree_add_item ( epl_seb_tree , hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit1 , tvb , offset , 1 , TRUE ) ;
proto_tree_add_item ( epl_seb_tree , hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit2 , tvb , offset , 1 , TRUE ) ;
proto_tree_add_item ( epl_seb_tree , hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit3 , tvb , offset , 1 , TRUE ) ;
proto_tree_add_item ( epl_seb_tree , hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit4 , tvb , offset , 1 , TRUE ) ;
proto_tree_add_item ( epl_seb_tree , hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit5 , tvb , offset , 1 , TRUE ) ;
proto_tree_add_item ( epl_seb_tree , hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit7 , tvb , offset , 1 , TRUE ) ;
offset + = 2 ;
proto_tree_add_item ( epl_seb_tree , hf_epl_asnd_statusresponse_seb_devicespecific_err , tvb , offset , 8 , TRUE ) ;
offset + = 8 ;
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/* List of errors / events */
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/* get the number of entries in the error code list*/
number_of_entries = ( tvb_length ( tvb ) - offset ) / 20 ;
ti_el = proto_tree_add_text ( epl_tree , tvb , offset , - 1 , " ErrorCodeList: %d entries " , number_of_entries ) ;
epl_el_tree = proto_item_add_subtree ( ti_el , ett_epl_el ) ;
/*Dissect the whole Error List (display each entry)*/
for ( cnt = 0 ; cnt < number_of_entries ; cnt + + )
{
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ti_el_entry = proto_tree_add_text ( ti_el , tvb , offset , 20 , " Entry %d " , cnt + 1 ) ;
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epl_el_entry_tree = proto_item_add_subtree ( ti_el_entry , ett_epl_el_entry ) ;
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/*Entry Type*/
ti_el_entry_type = proto_tree_add_item ( ti_el_entry ,
hf_epl_asnd_statusresponse_el_entry_type , tvb , offset , 2 , TRUE ) ;
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epl_el_entry_type_tree = proto_item_add_subtree ( ti_el_entry_type ,
ett_epl_el_entry_type ) ;
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proto_tree_add_item ( epl_el_entry_type_tree ,
hf_epl_asnd_statusresponse_el_entry_type_profile , tvb , offset , 2 , TRUE ) ;
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proto_tree_add_item ( epl_el_entry_type_tree ,
hf_epl_asnd_statusresponse_el_entry_type_mode , tvb , offset , 2 , TRUE ) ;
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proto_tree_add_item ( epl_el_entry_type_tree ,
hf_epl_asnd_statusresponse_el_entry_type_bit14 , tvb , offset , 2 , TRUE ) ;
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proto_tree_add_item ( epl_el_entry_type_tree ,
hf_epl_asnd_statusresponse_el_entry_type_bit15 , tvb , offset , 2 , TRUE ) ;
offset + = 2 ;
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proto_tree_add_item ( epl_el_entry_tree , hf_epl_asnd_statusresponse_el_entry_code , tvb , offset , 2 , TRUE ) ;
offset + = 2 ;
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proto_tree_add_item ( epl_el_entry_tree , hf_epl_asnd_statusresponse_el_entry_time , tvb , offset , 8 , TRUE ) ;
offset + = 8 ;
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proto_tree_add_item ( epl_el_entry_tree , hf_epl_asnd_statusresponse_el_entry_add , tvb , offset , 8 , TRUE ) ;
offset + = 8 ;
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}
}
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return offset ;
}
gint
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dissect_epl_asnd_sdo ( proto_tree * epl_tree , tvbuff_t * tvb , packet_info * pinfo , gint offset )
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{
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offset = dissect_epl_sdo_sequence ( epl_tree , tvb , pinfo , offset ) ;
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if ( tvb_reported_length_remaining ( tvb , offset ) > 0 )
{
offset = dissect_epl_sdo_command ( epl_tree , tvb , pinfo , offset ) ;
}
else if ( check_col ( pinfo - > cinfo , COL_INFO ) )
{
col_append_str ( pinfo - > cinfo , COL_INFO , " Empty CommandLayer " ) ;
}
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return offset ;
}
gint
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dissect_epl_sdo_sequence ( proto_tree * epl_tree , tvbuff_t * tvb , packet_info * pinfo , gint offset )
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{
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guint8 seq_recv , seq_send ;
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/* Asynchronuous SDO Sequence Layer */
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seq_recv = tvb_get_guint8 ( tvb , offset ) ;
if ( epl_tree )
{
proto_tree_add_uint ( epl_tree , hf_epl_asnd_sdo_seq_receive_sequence_number , tvb , offset , 1 , seq_recv ) ;
proto_tree_add_uint ( epl_tree , hf_epl_asnd_sdo_seq_receive_con , tvb , offset , 1 , seq_recv ) ;
}
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offset + = 1 ;
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seq_send = tvb_get_guint8 ( tvb , offset ) ;
if ( epl_tree )
{
proto_tree_add_uint ( epl_tree , hf_epl_asnd_sdo_seq_send_sequence_number , tvb , offset , 1 , seq_send ) ;
proto_tree_add_uint ( epl_tree , hf_epl_asnd_sdo_seq_send_con , tvb , offset , 1 , seq_send ) ;
}
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offset + = 3 ;
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if ( check_col ( pinfo - > cinfo , COL_INFO ) )
{
seq_recv & = EPL_ASND_SDO_SEQ_CON_MASK ;
seq_send & = EPL_ASND_SDO_SEQ_CON_MASK ;
if ( ( seq_recv = = 0x00 ) & & ( seq_send = = 0x00 ) )
{ /* Sequence layer will be closed */
col_append_str ( pinfo - > cinfo , COL_INFO , " Close " ) ;
}
else if ( ( seq_recv < 0x02 ) | | ( seq_send < 0x02 ) )
{
col_append_fstr ( pinfo - > cinfo , COL_INFO , " Init=%d%d " ,
seq_recv , seq_send ) ;
}
}
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return offset ;
}
gint
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dissect_epl_sdo_command ( proto_tree * epl_tree , tvbuff_t * tvb , packet_info * pinfo , gint offset )
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{
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guint8 segmented , command_id ;
gboolean response , abort ;
guint32 abort_code ;
guint16 segment_size ;
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offset + = 1 ;
segmented = FALSE ;
command_id = tvb_get_guint8 ( tvb , offset + 2 ) ;
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abort = tvb_get_guint8 ( tvb , offset + 1 ) & EPL_ASND_SDO_CMD_ABORT_FILTER ;
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/* test if CommandField == empty */
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if ( command_id ! = 0 | | abort )
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{
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segmented = ( tvb_get_guint8 ( tvb , offset + 1 ) & EPL_ASND_SDO_CMD_SEGMENTATION_FILTER ) > > 4 ;
response = tvb_get_guint8 ( tvb , offset + 1 ) & EPL_ASND_SDO_CMD_RESPONSE_FILTER ;
segment_size = tvb_get_letohs ( tvb , offset + 3 ) ;
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if ( epl_tree )
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{
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proto_tree_add_item ( epl_tree , hf_epl_asnd_sdo_cmd_transaction_id , tvb , offset , 1 , TRUE ) ;
offset + = 1 ;
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proto_tree_add_item ( epl_tree , hf_epl_asnd_sdo_cmd_response , tvb , offset , 1 , TRUE ) ;
proto_tree_add_item ( epl_tree , hf_epl_asnd_sdo_cmd_abort , tvb , offset , 1 , TRUE ) ;
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proto_tree_add_item ( epl_tree , hf_epl_asnd_sdo_cmd_segmentation , tvb , offset , 1 , TRUE ) ;
offset + = 1 ;
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proto_tree_add_item ( epl_tree , hf_epl_asnd_sdo_cmd_command_id , tvb , offset , 1 , TRUE ) ;
offset + = 1 ;
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proto_tree_add_item ( epl_tree , hf_epl_asnd_sdo_cmd_segment_size , tvb , offset , 2 , TRUE ) ;
offset + = 4 ;
}
else
{
offset + = 7 ;
}
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/* adjust size of packet */
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tvb_set_reported_length ( tvb , offset + segment_size ) ;
if ( segmented = = EPL_ASND_SDO_CMD_SEGMENTATION_INITIATE_TRANSFER )
{
/* if Segmentation = Initiate then print DataSize */
if ( epl_tree )
{
proto_tree_add_item ( epl_tree , hf_epl_asnd_sdo_cmd_data_size , tvb , offset , 4 , TRUE ) ;
}
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segmented = TRUE ;
offset + = 4 ;
}
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if ( abort )
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{
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abort_code = tvb_get_letohl ( tvb , offset ) ;
/* if AbortBit is set then print AbortMessage */
if ( epl_tree )
{
proto_tree_add_uint ( epl_tree , hf_epl_asnd_sdo_cmd_abort_code , tvb , offset , 4 , abort_code ) ;
}
if ( check_col ( pinfo - > cinfo , COL_INFO ) )
{
col_append_fstr ( pinfo - > cinfo , COL_INFO , " Abort = 0x%08X " , abort_code ) ;
}
}
else
{
switch ( command_id )
{
case EPL_ASND_SDO_COMMAND_WRITE_BY_INDEX :
offset = dissect_epl_sdo_command_write_by_index ( epl_tree , tvb , pinfo , offset , segmented , response ) ;
break ;
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case EPL_ASND_SDO_COMMAND_READ_BY_INDEX :
offset = dissect_epl_sdo_command_read_by_index ( epl_tree , tvb , pinfo , offset , segmented , response ) ;
break ;
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default :
return FALSE ;
}
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}
}
return offset ;
}
gint
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dissect_epl_sdo_command_write_by_index ( proto_tree * epl_tree , tvbuff_t * tvb , packet_info * pinfo , gint offset , guint8 segmented , gboolean response )
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{
gint size ;
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guint16 index ;
guint8 subindex ;
guint32 val ;
proto_item * item ;
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if ( ! response )
{ /* request */
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if ( segmented < = EPL_ASND_SDO_CMD_SEGMENTATION_INITIATE_TRANSFER )
{
index = tvb_get_letohs ( tvb , offset ) ;
if ( epl_tree )
{
proto_tree_add_uint ( epl_tree , hf_epl_asnd_sdo_cmd_write_by_index_index , tvb , offset , 2 , index ) ;
}
offset + = 2 ;
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subindex = tvb_get_guint8 ( tvb , offset ) ;
if ( epl_tree )
{
proto_tree_add_uint ( epl_tree , hf_epl_asnd_sdo_cmd_write_by_index_subindex , tvb , offset , 1 , subindex ) ;
}
offset + = 2 ;
if ( check_col ( pinfo - > cinfo , COL_INFO ) )
{
col_append_fstr ( pinfo - > cinfo , COL_INFO , " Write 0x%04X/%d " , index , subindex ) ;
}
}
else if ( check_col ( pinfo - > cinfo , COL_INFO ) )
{
col_append_fstr ( pinfo - > cinfo , COL_INFO , " Requ. %s " ,
match_strval ( segmented , epl_sdo_asnd_cmd_segmentation ) ) ;
}
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if ( epl_tree )
{
size = tvb_reported_length_remaining ( tvb , offset ) ;
item = proto_tree_add_item ( epl_tree , hf_epl_asnd_sdo_cmd_write_by_index_data , tvb , offset , size , TRUE ) ;
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if ( size = = 4 )
{
val = tvb_get_letohl ( tvb , offset ) ;
proto_item_append_text ( item , " (%d) " , val ) ;
}
else if ( size = = 2 )
{
val = tvb_get_letohs ( tvb , offset ) ;
proto_item_append_text ( item , " (%d) " , val ) ;
}
else if ( size = = 1 )
{
val = tvb_get_guint8 ( tvb , offset ) ;
proto_item_append_text ( item , " (%d) " , val ) ;
}
offset + = size ;
}
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}
else
{
/* response, no payload */
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if ( check_col ( pinfo - > cinfo , COL_INFO ) )
{
col_append_str ( pinfo - > cinfo , COL_INFO , " Response " ) ;
}
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}
return offset ;
}
gint
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dissect_epl_sdo_command_read_by_index ( proto_tree * epl_tree , tvbuff_t * tvb , packet_info * pinfo , gint offset , guint8 segmented , gboolean response )
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{
gint size ;
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guint16 index ;
guint8 subindex ;
guint32 val ;
proto_item * item ;
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if ( ! response )
{ /* request */
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index = tvb_get_letohs ( tvb , offset ) ;
if ( epl_tree )
{
proto_tree_add_uint ( epl_tree , hf_epl_asnd_sdo_cmd_read_by_index_index , tvb , offset , 2 , index ) ;
}
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offset + = 2 ;
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subindex = tvb_get_guint8 ( tvb , offset ) ;
if ( epl_tree )
{
proto_tree_add_uint ( epl_tree , hf_epl_asnd_sdo_cmd_read_by_index_subindex , tvb , offset , 1 , subindex ) ;
}
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offset + = 1 ;
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if ( check_col ( pinfo - > cinfo , COL_INFO ) )
{
col_append_fstr ( pinfo - > cinfo , COL_INFO , " Read 0x%04X/%d " , index , subindex ) ;
}
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}
else
{ /* response */
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if ( check_col ( pinfo - > cinfo , COL_INFO ) )
{
col_append_fstr ( pinfo - > cinfo , COL_INFO , " Resp. %s " ,
match_strval ( segmented , epl_sdo_asnd_cmd_segmentation ) ) ;
}
if ( epl_tree )
{
size = tvb_reported_length_remaining ( tvb , offset ) ;
item = proto_tree_add_item ( epl_tree , hf_epl_asnd_sdo_cmd_read_by_index_data , tvb , offset , size , TRUE ) ;
if ( size = = 4 )
{
val = tvb_get_letohl ( tvb , offset ) ;
proto_item_append_text ( item , " (%d) " , val ) ;
}
else if ( size = = 2 )
{
val = tvb_get_letohs ( tvb , offset ) ;
proto_item_append_text ( item , " (%d) " , val ) ;
}
else if ( size = = 1 )
{
val = tvb_get_guint8 ( tvb , offset ) ;
proto_item_append_text ( item , " (%d) " , val ) ;
}
offset + = size ;
}
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}
return offset ;
}
/* Register the protocol with Wireshark */
void
proto_register_epl ( void )
{
static hf_register_info hf [ ] = {
/* Common data fields (same for all message types) */
{ & hf_epl_mtyp , { " MessageType " , " epl.mtyp " , FT_UINT8 , BASE_DEC , VALS ( mtyp_vals ) , 0x7F , " " , HFILL } } ,
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{ & hf_epl_dest , { " Destination " , " epl.dest " , FT_UINT8 , BASE_DEC_HEX , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_src , { " Source " , " epl.src " , FT_UINT8 , BASE_DEC_HEX , NULL , 0x00 , " " , HFILL } } ,
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/* SoC data fields*/
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{ & hf_epl_soc_mc , { " MC (Multiplexed Cycle Completed) " , " epl.soc.mc " , FT_BOOLEAN , 8 , NULL , EPL_SOC_MC_MASK , " " , HFILL } } ,
{ & hf_epl_soc_ps , { " PS (Prescaled Slot) " , " epl.soc.ps " , FT_BOOLEAN , 8 , NULL , EPL_SOC_PS_MASK , " " , HFILL } } ,
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{ & hf_epl_soc_nettime , { " NetTime " , " epl.soc.nettime " , FT_ABSOLUTE_TIME , BASE_DEC , NULL , 0x0 , " " , HFILL } } ,
{ & hf_epl_soc_relativetime , { " RelativeTime " , " epl.soc.relativetime " , FT_UINT64 , BASE_DEC , NULL , 0x0 , " " , HFILL } } ,
/* PReq data fields*/
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{ & hf_epl_preq_ms , { " MS (Multiplexed Slot) " , " epl.preq.ms " , FT_BOOLEAN , 8 , NULL , 0x20 , " " , HFILL } } ,
{ & hf_epl_preq_ea , { " EA (Exception Acknowledge) " , " epl.preq.ea " , FT_BOOLEAN , 8 , NULL , 0x04 , " " , HFILL } } ,
{ & hf_epl_preq_rd , { " RD (Ready) " , " epl.preq.rd " , FT_BOOLEAN , 8 , NULL , EPL_PDO_RD_MASK , " " , HFILL } } ,
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{ & hf_epl_preq_pdov , { " PDOVersion " , " epl.preq.pdov " , FT_STRING , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_preq_size , { " Size " , " epl.preq.size " , FT_UINT16 , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_preq_pl , { " Payload " , " epl.preq.pl " , FT_BYTES , BASE_HEX , NULL , 0x00 , " " , HFILL } } ,
/* PRes data fields*/
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{ & hf_epl_pres_stat_ms , { " NMTStatus " , " epl.pres.stat " , FT_UINT8 , BASE_HEX , VALS ( epl_nmt_ms_vals ) , 0x00 , " " , HFILL } } ,
{ & hf_epl_pres_stat_cs , { " NMTStatus " , " epl.pres.stat " , FT_UINT8 , BASE_HEX , VALS ( epl_nmt_cs_vals ) , 0x00 , " " , HFILL } } ,
{ & hf_epl_pres_ms , { " MS (Multiplexed Slot) " , " epl.pres.ms " , FT_BOOLEAN , 8 , NULL , 0x20 , " " , HFILL } } ,
{ & hf_epl_pres_en , { " EN (Exception New) " , " epl.pres.en " , FT_BOOLEAN , 8 , NULL , 0x10 , " " , HFILL } } ,
{ & hf_epl_pres_rd , { " RD (Ready) " , " epl.pres.rd " , FT_BOOLEAN , 8 , NULL , EPL_PDO_RD_MASK , " " , HFILL } } ,
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{ & hf_epl_pres_pr , { " PR (Priority) " , " epl.pres.pr " , FT_UINT8 , BASE_DEC , VALS ( epl_pr_vals ) , 0x38 , " " , HFILL } } ,
{ & hf_epl_pres_rs , { " RS (RequestToSend) " , " epl.pres.rs " , FT_UINT8 , BASE_DEC , NULL , 0x07 , " " , HFILL } } ,
{ & hf_epl_pres_pdov , { " PDOVersion " , " epl.pres.pdov " , FT_STRING , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_pres_size , { " Size " , " epl.pres.size " , FT_UINT16 , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_pres_pl , { " Payload " , " epl.pres.pl " , FT_BYTES , BASE_HEX , NULL , 0x00 , " " , HFILL } } ,
/* SoA data fields*/
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{ & hf_epl_soa_stat_ms , { " NMTStatus " , " epl.soa.stat " , FT_UINT8 , BASE_HEX , VALS ( epl_nmt_ms_vals ) , 0x00 , " " , HFILL } } ,
{ & hf_epl_soa_stat_cs , { " NMTStatus " , " epl.soa.stat " , FT_UINT8 , BASE_HEX , VALS ( epl_nmt_cs_vals ) , 0x00 , " " , HFILL } } ,
{ & hf_epl_soa_ea , { " EA (Exception Acknowledge) " , " epl.soa.ea " , FT_BOOLEAN , 8 , NULL , 0x04 , " " , HFILL } } ,
{ & hf_epl_soa_er , { " ER (Exception Reset) " , " epl.soa.er " , FT_BOOLEAN , 8 , NULL , 0x02 , " " , HFILL } } ,
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{ & hf_epl_soa_svid , { " RequestedServiceID " , " epl.soa.svid " , FT_UINT8 , BASE_DEC , VALS ( soa_svid_vals ) , 0x00 , " " , HFILL } } ,
{ & hf_epl_soa_svtg , { " RequestedServiceTarget " , " epl.soa.svtg " , FT_UINT8 , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_soa_eplv , { " EPLVersion " , " epl.soa.eplv " , FT_STRING , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
/* ASnd header */
{ & hf_epl_asnd_svid , { " ServiceID " , " epl.asnd.svid " , FT_UINT8 , BASE_DEC , VALS ( asnd_svid_vals ) , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_data , { " Data " , " epl.asnd.data " , FT_BYTES , BASE_HEX , NULL , 0x00 , " " , HFILL } } ,
/* ASnd-->IdentResponse */
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{ & hf_epl_asnd_identresponse_en , { " EN (Exception New) " , " epl.asnd.ires.en " , FT_BOOLEAN , 8 , NULL , 0x10 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_ec , { " EC (Exception Clear) " , " epl.asnd.ires.ec " , FT_BOOLEAN , 8 , NULL , 0x08 , " " , HFILL } } ,
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{ & hf_epl_asnd_identresponse_pr , { " PR (Priority) " , " epl.asnd.ires.pr " , FT_UINT8 , BASE_DEC , VALS ( epl_pr_vals ) , 0x38 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_rs , { " RS (RequestToSend) " , " epl.asnd.ires.rs " , FT_UINT8 , BASE_DEC , NULL , 0x07 , " " , HFILL } } ,
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{ & hf_epl_asnd_identresponse_stat_ms , { " NMTStatus " , " epl.asnd.ires.state " , FT_UINT8 , BASE_HEX , VALS ( epl_nmt_ms_vals ) , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_stat_cs , { " NMTStatus " , " epl.asnd.ires.state " , FT_UINT8 , BASE_HEX , VALS ( epl_nmt_cs_vals ) , 0x00 , " " , HFILL } } ,
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{ & hf_epl_asnd_identresponse_ever , { " EPLVersion " , " epl.asnd.ires.eplver " , FT_STRING , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
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{ & hf_epl_asnd_identresponse_feat , { " FeatureFlags " , " epl.asnd.ires.features " , FT_UINT32 , BASE_HEX , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_feat_bit0 , { " Isochronous " , " epl.asnd.ires.features.bit0 " , FT_BOOLEAN , 32 , NULL , 0x0001 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_feat_bit1 , { " SDO by UDP/IP " , " epl.asnd.ires.features.bit1 " , FT_BOOLEAN , 32 , NULL , 0x0002 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_feat_bit2 , { " SDO by ASnd " , " epl.asnd.ires.features.bit2 " , FT_BOOLEAN , 32 , NULL , 0x0004 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_feat_bit3 , { " SDO by PDO " , " epl.asnd.ires.features.bit3 " , FT_BOOLEAN , 32 , NULL , 0x0008 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_feat_bit4 , { " NMT Info Services " , " epl.asnd.ires.features.bit4 " , FT_BOOLEAN , 32 , NULL , 0x0010 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_feat_bit5 , { " Ext. NMT State Commands " , " epl.asnd.ires.features.bit5 " , FT_BOOLEAN , 32 , NULL , 0x0020 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_feat_bit6 , { " Dynamic PDO Mapping " , " epl.asnd.ires.features.bit6 " , FT_BOOLEAN , 32 , NULL , 0x0040 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_feat_bit7 , { " NMT Service by UDP/IP " , " epl.asnd.ires.features.bit7 " , FT_BOOLEAN , 32 , NULL , 0x0080 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_feat_bit8 , { " Configuration Manager " , " epl.asnd.ires.features.bit8 " , FT_BOOLEAN , 32 , NULL , 0x0100 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_feat_bit9 , { " Multiplexed Access " , " epl.asnd.ires.features.bit9 " , FT_BOOLEAN , 32 , NULL , 0x0200 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_feat_bitA , { " NodeID setup by SW " , " epl.asnd.ires.features.bitA " , FT_BOOLEAN , 32 , NULL , 0x0400 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_feat_bitB , { " MN Basic Ethernet Mode " , " epl.asnd.ires.features.bitB " , FT_BOOLEAN , 32 , NULL , 0x0800 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_feat_bitC , { " Routing Type 1 Support " , " epl.asnd.ires.features.bitC " , FT_BOOLEAN , 32 , NULL , 0x1000 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_feat_bitD , { " Routing Type 2 Support " , " epl.asnd.ires.features.bitD " , FT_BOOLEAN , 32 , NULL , 0x2000 , " " , HFILL } } ,
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{ & hf_epl_asnd_identresponse_mtu , { " MTU " , " epl.asnd.ires.mtu " , FT_UINT16 , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_pis , { " PollInSize " , " epl.asnd.ires.pollinsize " , FT_UINT16 , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_pos , { " PollOutSize " , " epl.asnd.ires.polloutsizes " , FT_UINT16 , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_rst , { " ResponseTime " , " epl.asnd.ires.resptime " , FT_UINT32 , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
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{ & hf_epl_asnd_identresponse_dt , { " DeviceType " , " epl.asnd.ires.devicetype " , FT_STRING , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_profile , { " Profile " , " epl.asnd.ires.profile " , FT_UINT16 , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
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{ & hf_epl_asnd_identresponse_vid , { " VendorId " , " epl.asnd.ires.vendorid " , FT_UINT32 , BASE_DEC_HEX , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_productcode , { " ProductCode " , " epl.asnd.ires.productcode " , FT_UINT32 , BASE_DEC_HEX , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_rno , { " RevisionNumber " , " epl.asnd.ires.revisionno " , FT_UINT32 , BASE_DEC_HEX , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_sno , { " SerialNumber " , " epl.asnd.ires.serialno " , FT_UINT32 , BASE_DEC_HEX , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_vex1 , { " VendorSpecificExtension1 " , " epl.asnd.ires.vendorext1 " , FT_UINT64 , BASE_DEC_HEX , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_vcd , { " VerifyConfigurationDate " , " epl.asnd.ires.confdate " , FT_UINT32 , BASE_DEC_HEX , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_vct , { " VerifyConfigurationTime " , " epl.asnd.ires.conftime " , FT_UINT32 , BASE_DEC_HEX , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_ad , { " applicationSwDate " , " epl.asnd.ires.appswdate " , FT_UINT32 , BASE_DEC_HEX , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_at , { " applicationSwTime " , " epl.asnd.ires.appswtime " , FT_UINT32 , BASE_DEC_HEX , NULL , 0x00 , " " , HFILL } } ,
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{ & hf_epl_asnd_identresponse_ipa , { " IPAddress " , " epl.asnd.ires.ip " , FT_IPv4 , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_snm , { " SubnetMask " , " epl.asnd.ires.subnet " , FT_IPv4 , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_gtw , { " DefaultGateway " , " epl.asnd.ires.gateway " , FT_IPv4 , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_hn , { " HostName " , " epl.asnd.ires.hostname " , FT_STRING , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_identresponse_vex2 , { " VendorSpecificExtension2 " , " epl.asnd.ires.vendorext2 " , FT_BYTES , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
/* ASnd-->StatusResponse */
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{ & hf_epl_asnd_statusresponse_en , { " EN (Exception New) " , " epl.asnd.sres.en " , FT_BOOLEAN , 8 , NULL , 0x10 , " " , HFILL } } ,
{ & hf_epl_asnd_statusresponse_ec , { " EC (Exception Clear) " , " epl.asnd.sres.ec " , FT_BOOLEAN , 8 , NULL , 0x08 , " " , HFILL } } ,
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{ & hf_epl_asnd_statusresponse_pr , { " PR (Priority) " , " epl.asnd.sres.pr " , FT_UINT8 , BASE_DEC , VALS ( epl_pr_vals ) , 0x38 , " " , HFILL } } ,
{ & hf_epl_asnd_statusresponse_rs , { " RS (RequestToSend) " , " epl.asnd.sres.rs " , FT_UINT8 , BASE_DEC , NULL , 0x07 , " " , HFILL } } ,
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{ & hf_epl_asnd_statusresponse_stat_ms , { " NMTStatus " , " epl.asnd.sres.stat " , FT_UINT8 , BASE_HEX , VALS ( epl_nmt_ms_vals ) , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_statusresponse_stat_cs , { " NMTStatus " , " epl.asnd.sres.stat " , FT_UINT8 , BASE_HEX , VALS ( epl_nmt_cs_vals ) , 0x00 , " " , HFILL } } ,
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{ & hf_epl_asnd_statusresponse_seb , { " StaticErrorBitField " , " epl.asnd.sres.seb " , FT_BYTES , BASE_HEX , NULL , 0x00 , " " , HFILL } } ,
/*StaticErrorBitField */
{ & hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit0 , { " Generic error " , " epl.asnd.res.seb.bit0 " , FT_UINT8 , BASE_DEC , NULL , 0x01 , " " , HFILL } } ,
{ & hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit1 , { " Current " , " epl.asnd.res.seb.bit1 " , FT_UINT8 , BASE_DEC , NULL , 0x02 , " " , HFILL } } ,
{ & hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit2 , { " Voltage " , " epl.asnd.res.seb.bit2 " , FT_UINT8 , BASE_DEC , NULL , 0x04 , " " , HFILL } } ,
{ & hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit3 , { " Temperature " , " epl.asnd.res.seb.bit3 " , FT_UINT8 , BASE_DEC , NULL , 0x08 , " " , HFILL } } ,
{ & hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit4 , { " Communication error " , " epl.asnd.res.seb.bit4 " , FT_UINT8 , BASE_DEC , NULL , 0x10 , " " , HFILL } } ,
{ & hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit5 , { " Device profile specific " , " epl.asnd.res.seb.bit5 " , FT_UINT8 , BASE_DEC , NULL , 0x20 , " " , HFILL } } ,
{ & hf_epl_asnd_statusresponse_seb_err_errorregister_u8_bit7 , { " Manufacturer specific " , " epl.asnd.res.seb.bit7 " , FT_UINT8 , BASE_DEC , NULL , 0x80 , " " , HFILL } } ,
{ & hf_epl_asnd_statusresponse_seb_devicespecific_err , { " Device profile specific " , " epl.asnd.res.seb.devicespecific_err " , FT_BYTES , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_statusresponse_el , { " ErrorsCodeList " , " epl.asnd.sres.el " , FT_BYTES , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_statusresponse_el_entry , { " Entry " , " epl.asnd.sres.el.entry " , FT_BYTES , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
/*List of Errors/Events*/
{ & hf_epl_asnd_statusresponse_el_entry_type , { " Entry Type " , " epl.asnd.sres.el.entry.type " , FT_UINT16 , BASE_HEX , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_statusresponse_el_entry_type_profile , { " Profile " , " epl.asnd.sres.el.entry.type.profile " , FT_UINT16 , BASE_DEC , NULL , 0x0FFF , " " , HFILL } } ,
{ & hf_epl_asnd_statusresponse_el_entry_type_mode , { " Mode " , " epl.asnd.sres.el.entry.type.mode " , FT_UINT16 , BASE_DEC , NULL , 0x3000 , " " , HFILL } } ,
{ & hf_epl_asnd_statusresponse_el_entry_type_bit14 , { " Bit14 " , " epl.asnd.sres.el.entry.type.bit14 " , FT_UINT16 , BASE_DEC , NULL , 0x4000 , " " , HFILL } } ,
{ & hf_epl_asnd_statusresponse_el_entry_type_bit15 , { " Bit15 " , " epl.asnd.sres.el.entry.type.bit15 " , FT_UINT16 , BASE_DEC , NULL , 0x8000 , " " , HFILL } } ,
{ & hf_epl_asnd_statusresponse_el_entry_code , { " Error Code " , " epl.asnd.sres.el.entry.code " , FT_UINT16 , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_statusresponse_el_entry_time , { " Time Stamp " , " epl.asnd.sres.el.entry.time " , FT_UINT64 , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_statusresponse_el_entry_add , { " Additional Information " , " epl.asnd.sres.el.entry.add " , FT_UINT64 , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
/* ASnd-->NMTRequest */
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{ & hf_epl_asnd_nmtrequest_rcid , { " NMTRequestedCommandID " , " epl.asnd.nmtrequest.rcid " , FT_UINT8 , BASE_HEX_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_nmtrequest_rct , { " NMTRequestedCommandTarget " , " epl.asnd.nmtrequest.rct " , FT_UINT8 , BASE_DEC_HEX , NULL , 0x00 , " " , HFILL } } ,
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{ & hf_epl_asnd_nmtrequest_rcd , { " NMTRequestedCommandData " , " epl.asnd.nmtrequest.rcd " , FT_BYTES , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
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/* ASnd-->NMTCommand */
{ & hf_epl_asnd_nmtcommand_cid , { " NMTCommandId " , " epl.asnd.nmtcommand.cid " , FT_UINT8 , BASE_HEX_DEC , VALS ( asnd_cid_vals ) , 0x00 , " " , HFILL } } ,
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{ & hf_epl_asnd_nmtcommand_cdat , { " NMTCommandData " , " epl.asnd.nmtcommand.cdat " , FT_BYTES , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_nmtcommand_nmtnethostnameset_hn , { " HostName " , " epl.asnd.nmtcommand.nmtnethostnameset.hn " , FT_BYTES , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
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{ & hf_epl_asnd_nmtcommand_nmtflusharpentry_nid , { " NodeID " , " epl.asnd.nmtcommand.nmtflusharpentry.nid " , FT_UINT8 , BASE_DEC_HEX , NULL , 0x00 , " " , HFILL } } ,
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{ & hf_epl_asnd_nmtcommand_nmtpublishtime_dt , { " DateTime " , " epl.asnd.nmtcommand.nmtpublishtime.dt " , FT_BYTES , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
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/* ASnd-->SDO */
{ & hf_epl_asnd_sdo_seq_receive_sequence_number , { " ReceiveSequenceNumber " , " epl.asnd.sdo.seq.receive.sequence.number " , FT_UINT8 , BASE_DEC , NULL , 0xfc , " " , HFILL } } ,
{ & hf_epl_asnd_sdo_seq_receive_con , { " ReceiveCon " , " epl.asnd.sdo.seq.receive.con " , FT_UINT8 , BASE_DEC , VALS ( epl_sdo_receive_con_vals ) , 0x03 , " " , HFILL } } ,
{ & hf_epl_asnd_sdo_seq_send_sequence_number , { " SendSequenceNumber " , " epl.asnd.sdo.seq.send.sequence.number " , FT_UINT8 , BASE_DEC , NULL , 0xfc , " " , HFILL } } ,
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{ & hf_epl_asnd_sdo_seq_send_con , { " SendCon " , " epl.asnd.sdo.seq.send.con " , FT_UINT8 , BASE_DEC , VALS ( epl_sdo_send_con_vals ) , 0x03 , " " , HFILL } } ,
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{ & hf_epl_asnd_sdo_cmd_transaction_id , { " SDO Transaction ID " , " epl.asnd.sdo.cmd.transaction.id " , FT_UINT8 , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_sdo_cmd_response , { " SDO Response " , " epl.asnd.sdo.cmd.response " , FT_UINT8 , BASE_DEC , VALS ( epl_sdo_asnd_cmd_response ) , 0x80 , " " , HFILL } } ,
{ & hf_epl_asnd_sdo_cmd_abort , { " SDO Abort " , " epl.asnd.sdo.cmd.abort " , FT_UINT8 , BASE_DEC , VALS ( epl_sdo_asnd_cmd_abort ) , 0x40 , " " , HFILL } } ,
{ & hf_epl_asnd_sdo_cmd_segmentation , { " SDO Segmentation " , " epl.asnd.sdo.cmd.segmentation " , FT_UINT8 , BASE_DEC , VALS ( epl_sdo_asnd_cmd_segmentation ) , 0x30 , " " , HFILL } } ,
{ & hf_epl_asnd_sdo_cmd_command_id , { " SDO Command ID " , " epl.asnd.sdo.cmd.command.id " , FT_UINT8 , BASE_DEC , VALS ( epl_sdo_asnd_commands ) , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_sdo_cmd_segment_size , { " SDO Segment size " , " epl.asnd.sdo.cmd.segment.size " , FT_UINT8 , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_sdo_cmd_data_size , { " SDO Data size " , " epl.asnd.sdo.cmd.data.size " , FT_UINT8 , BASE_DEC , NULL , 0x00 , " " , HFILL } } ,
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{ & hf_epl_asnd_sdo_cmd_abort_code , { " SDO Transfer Abort " , " epl.asnd.sdo.cmd.abort.code " , FT_UINT8 , BASE_HEX , VALS ( sdo_cmd_abort_code ) , 0x00 , " " , HFILL } } ,
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{ & hf_epl_asnd_sdo_cmd_write_by_index_index , { " SDO Write by Index, Index " , " epl.asnd.sdo.cmd.write.by.index.index " , FT_UINT16 , BASE_HEX , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_sdo_cmd_write_by_index_subindex , { " SDO Write by Index, SubIndex " , " epl.asnd.sdo.cmd.write.by.index.subindex " , FT_UINT8 , BASE_HEX , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_sdo_cmd_read_by_index_index , { " SDO Read by Index, Index " , " epl.asnd.sdo.cmd.read.by.index.index " , FT_UINT16 , BASE_HEX , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_sdo_cmd_read_by_index_subindex , { " SDO Read by Index, SubIndex " , " epl.asnd.sdo.cmd.read.by.index.subindex " , FT_UINT8 , BASE_HEX , NULL , 0x00 , " " , HFILL } } ,
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{ & hf_epl_asnd_sdo_cmd_write_by_index_data , { " Payload " , " epl.asnd.sdo.cmd.write.by.index.data " , FT_BYTES , BASE_HEX , NULL , 0x00 , " " , HFILL } } ,
{ & hf_epl_asnd_sdo_cmd_read_by_index_data , { " Payload " , " epl.asnd.sdo.cmd.read.by.index.data " , FT_BYTES , BASE_HEX , NULL , 0x00 , " " , HFILL } } ,
} ;
/* Setup protocol subtree array */
static gint * ett [ ] = {
& ett_epl ,
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& ett_epl_feat ,
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& ett_epl_seb ,
& ett_epl_el ,
& ett_epl_el_entry ,
& ett_epl_el_entry_type ,
& ett_epl_sdo_entry_type ,
} ;
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module_t * epl_module ;
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/* Register the protocol name and description */
proto_epl = proto_register_protocol ( " ETHERNET Powerlink v2 " , " EPL " , " epl " ) ;
/* Required function calls to register the header fields and subtrees used */
proto_register_field_array ( proto_epl , hf , array_length ( hf ) ) ;
proto_register_subtree_array ( ett , array_length ( ett ) ) ;
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/* register preferences */
epl_module = prefs_register_protocol ( proto_epl , NULL ) ;
prefs_register_bool_preference ( epl_module , " show_soc_flags " , " Show flags of SoC frame in Info column " ,
" If you are capturing in networks with multiplexed or slow nodes, this can be useful " , & show_soc_flags ) ;
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/* tap-registration */
/* epl_tap = register_tap("epl");*/
}
void
proto_reg_handoff_epl ( void )
{
dissector_handle_t epl_handle ;
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epl_handle = new_create_dissector_handle ( dissect_epl , proto_epl ) ;
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dissector_add ( " ethertype " , ETHERTYPE_EPL_V2 , epl_handle ) ;
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dissector_add ( " udp.port " , UDP_PORT_EPL , epl_handle ) ;
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}
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