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wireshark/epan/dissectors/packet-epl_v1.c

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/* packet-epl_v1.c
* Routines for "ETHERNET Powerlink 1.0" dissection
* (ETHERNET Powerlink Powerlink WhitePaper V0006-B)
*
* Copyright (c) 2006: Zurich University of Applied Sciences Winterthur (ZHW)
* Institute of Embedded Systems (InES)
* http://ines.zhwin.ch
*
* - Dominic Bechaz <bdo@zhwin.ch>
* - David Buechi <bhd@zhwin.ch>
*
*
* A dissector 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/etypes.h>
void proto_register_epl_v1(void);
void proto_reg_handoff_epl_v1(void);
/* Offsets of fields within an EPL_V1 packet. */
#define EPL_V1_SERVICE_OFFSET 0 /* same offset for all message types*/
#define EPL_V1_DEST_OFFSET 1 /* same offset for all message types*/
#define EPL_V1_SRC_OFFSET 2 /* same offset for all message types*/
#define EPL_V1_SOC_C2_OFFSET 3
#define EPL_V1_SOC_PF_OFFSET 3
#define EPL_V1_SOC_NET_COMMAND_OFFSET 4
#define EPL_V1_SOC_NET_TIME_OFFSET 6
#define EPL_V1_SOC_POWERLINK_CYCLE_TIME_OFFSET 10
#define EPL_V1_SOC_NET_COMMAND_PARAMETER_OFFSET 14
#define EPL_V1_PREQ_C2_OFFSET 3
/* "Powerlink Multimanager Konzept V1.1" protocol extension*/
#define PMM_KONZEPT_V1_1_PREQ_YA 3
#define PMM_KONZEPT_V1_1_PREQ_SC 3
/* end "Powerlink Multimanager Konzept V1.1" protocol extension*/
#define EPL_V1_PREQ_RD_OFFSET 3
#define EPL_V1_PREQ_RD_OFFSET 3
#define EPL_V1_PREQ_POLL_SIZE_OUT_OFFSET 4
#define EPL_V1_PREQ_OUT_DATA_OFFSET 10
#define EPL_V1_PRES_C2_OFFSET 3
#define EPL_V1_PRES_EX_OFFSET 3
#define EPL_V1_PRES_RS_OFFSET 3
#define EPL_V1_PRES_WA_OFFSET 3
#define EPL_V1_PRES_ER_OFFSET 3
#define EPL_V1_PRES_RD_OFFSET 3
#define EPL_V1_PRES_POLL_SIZE_IN_OFFSET 4
#define EPL_V1_PRES_IN_DATA_OFFSET 10
#define EPL_V1_EOC_NET_COMMAND_OFFSET 4
#define EPL_V1_EOC_NET_COMMAND_PARAMETER_OFFSET 14
#define EPL_V1_AINV_CHANNEL_OFFSET 3
#define EPL_V1_ASND_CHANNEL_OFFSET 3
#define EPL_V1_ASND_SIZE_OFFSET 4
#define EPL_V1_ASND_DATA_OFFSET 6
#define EPL_V1_ASND_NODE_ID_OFFSET 6
#define EPL_V1_ASND_HARDWARE_REVISION_OFFSET 10
#define EPL_V1_ASND_FIRMWARE_VERSION_OFFSET 14
#define EPL_V1_ASND_DEVICE_VARIANT_OFFSET 18
#define EPL_V1_ASND_POLL_IN_SIZE_OFFSET 22
#define EPL_V1_ASND_POLL_OUT_SIZE_OFFSET 26
/* EPL_V1 message types */
#define EPL_V1_SOC 0x01
#define EPL_V1_EOC 0x02
#define EPL_V1_PREQ 0x03
#define EPL_V1_PRES 0x04
#define EPL_V1_AINV 0x05
#define EPL_V1_ASND 0x06
static const value_string service_vals[] = {
{EPL_V1_SOC, "Start of Cyclic (SoC)" },
{EPL_V1_EOC, "End of Cyclic (EoC)" },
{EPL_V1_PREQ, "Poll Request (PReq)" },
{EPL_V1_PRES, "Poll Response (PRes)" },
{EPL_V1_AINV, "Acyclic Invite (AInv)" },
{EPL_V1_ASND, "Acyclic Send (ASnd)" },
{0,NULL}
};
/* Channel values for EPL_V1 message type "AInv" */
#define EPL_V1_AINV_IDENT 1
#define EPL_V1_AINV_GENERIC 255
static const value_string ainv_channel_number_vals[] = {
{EPL_V1_AINV_IDENT, "Ident" },
{EPL_V1_AINV_GENERIC, "Generic Channel" },
{0,NULL}
};
/* Channel values for EPL_V1 message type "ASnd" */
#define EPL_V1_ASND_IDENT 1
#define EPL_V1_ASND_GENERIC 255
static const value_string asnd_channel_number_vals[] = {
{EPL_V1_ASND_IDENT, "Ident" },
{EPL_V1_ASND_GENERIC, "Generic Channel" },
{0,NULL}
};
/* Net Command values for EPL_V1 message type "SoC" */
#define EPL_V1_SOC_NET_COMMAND_IDLE 0
#define EPL_V1_SOC_NET_COMMAND_ACTIVE 1
static const value_string soc_net_command_vals[] = {
{EPL_V1_SOC_NET_COMMAND_IDLE, "Net Command Idle" },
{EPL_V1_SOC_NET_COMMAND_ACTIVE, "Net Command Active"},
{0,NULL}
};
/* Net Command values for EPL_V1 message type "EoC" */
#define EPL_V1_EOC_NET_COMMAND_IDLE 0
#define EPL_V1_EOC_NET_COMMAND_ACTIVE 1
static const value_string eoc_net_command_vals[] = {
{EPL_V1_EOC_NET_COMMAND_IDLE, "Net Command Idle" },
{EPL_V1_EOC_NET_COMMAND_ACTIVE, "Net Command Active"},
{0,NULL}
};
/* Initialize the protocol and registered fields */
static int proto_epl_v1 = -1;
static int hf_epl_v1_service = -1;
static int hf_epl_v1_dest = -1;
static int hf_epl_v1_src = -1;
static int hf_epl_v1_soc_ms = -1;
static int hf_epl_v1_soc_ps = -1;
static int hf_epl_v1_soc_net_command = -1;
static int hf_epl_v1_soc_net_time = -1;
static int hf_epl_v1_soc_powerlink_cycle_time = -1;
static int hf_epl_v1_soc_net_command_parameter = -1;
static int hf_epl_v1_preq_ms = -1;
static int hf_epl_v1_preq_rd = -1;
static int hf_epl_v1_preq_poll_size_out = -1;
static int hf_epl_v1_preq_out_data = -1;
static int hf_epl_v1_pres_ms = -1;
static int hf_epl_v1_pres_ex = -1;
static int hf_epl_v1_pres_rs = -1;
static int hf_epl_v1_pres_wa = -1;
static int hf_epl_v1_pres_er = -1;
static int hf_epl_v1_pres_rd = -1;
static int hf_epl_v1_pres_poll_size_in = -1;
static int hf_epl_v1_pres_in_data = -1;
static int hf_epl_v1_eoc_net_command = -1;
static int hf_epl_v1_eoc_net_command_parameter = -1;
static int hf_epl_v1_ainv_channel = -1;
static int hf_epl_v1_asnd_channel = -1;
static int hf_epl_v1_asnd_size = -1;
static int hf_epl_v1_asnd_data = -1;
static int hf_epl_v1_asnd_node_id = -1;
static int hf_epl_v1_asnd_hardware_revision = -1;
static int hf_epl_v1_asnd_firmware_version = -1;
static int hf_epl_v1_asnd_device_variant = -1;
static int hf_epl_v1_asnd_poll_in_size = -1;
static int hf_epl_v1_asnd_poll_out_size = -1;
static gint ett_epl_v1 = -1;
static gint
dissect_epl_v1_soc(proto_tree *epl_v1_tree, tvbuff_t *tvb, gint offset)
{
proto_tree_add_item(epl_v1_tree, hf_epl_v1_soc_ms, tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(epl_v1_tree, hf_epl_v1_soc_ps, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(epl_v1_tree, hf_epl_v1_soc_net_command, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(epl_v1_tree, hf_epl_v1_soc_net_time, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(epl_v1_tree, hf_epl_v1_soc_powerlink_cycle_time, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(epl_v1_tree, hf_epl_v1_soc_net_command_parameter, tvb, offset, 32, ENC_NA);
offset += 32;
return offset;
}
static gint
dissect_epl_v1_eoc(proto_tree *epl_v1_tree, tvbuff_t *tvb, gint offset)
{
offset += 1;
proto_tree_add_item(epl_v1_tree, hf_epl_v1_eoc_net_command, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 8;
proto_tree_add_item(epl_v1_tree, hf_epl_v1_eoc_net_command_parameter, tvb, offset, 32, ENC_NA);
offset += 32;
return offset;
}
static gint
dissect_epl_v1_preq(proto_tree *epl_v1_tree, tvbuff_t *tvb, gint offset)
{
guint16 len;
proto_tree_add_item(epl_v1_tree, hf_epl_v1_preq_ms, tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(epl_v1_tree, hf_epl_v1_preq_rd, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
/* get length of data */
proto_tree_add_item(epl_v1_tree, hf_epl_v1_preq_poll_size_out, tvb, offset, 2, ENC_LITTLE_ENDIAN);
len = tvb_get_letohs(tvb, offset);
offset += 6;
if(len>0){
proto_tree_add_item(epl_v1_tree, hf_epl_v1_preq_out_data, tvb, offset, len, ENC_NA);
offset += len;
}
return offset;
}
static gint
dissect_epl_v1_pres(proto_tree *epl_v1_tree, tvbuff_t *tvb, gint offset)
{
guint16 len;
proto_tree_add_item(epl_v1_tree, hf_epl_v1_pres_ms, tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(epl_v1_tree, hf_epl_v1_pres_ex, tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(epl_v1_tree, hf_epl_v1_pres_rs, tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(epl_v1_tree, hf_epl_v1_pres_wa, tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(epl_v1_tree, hf_epl_v1_pres_er, tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(epl_v1_tree, hf_epl_v1_pres_rd, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
/* get length of data */
proto_tree_add_item(epl_v1_tree, hf_epl_v1_pres_poll_size_in, tvb, offset, 2, ENC_LITTLE_ENDIAN);
len = tvb_get_letohs(tvb, offset);
offset += 6;
if(len>0){
proto_tree_add_item(epl_v1_tree, hf_epl_v1_pres_in_data, tvb, offset, len, ENC_NA);
offset += len;
}
return offset;
}
static gint
dissect_epl_v1_ainv(proto_tree *epl_v1_tree, tvbuff_t *tvb, gint offset)
{
proto_tree_add_item(epl_v1_tree, hf_epl_v1_ainv_channel, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
return offset;
}
static gint
dissect_epl_v1_asnd(proto_tree *epl_v1_tree, tvbuff_t *tvb, gint offset)
{
guint8 epl_v1_asnd_channel;
guint16 len;
/* get ASnd channel */
proto_tree_add_item(epl_v1_tree, hf_epl_v1_asnd_channel, tvb, offset, 1, ENC_LITTLE_ENDIAN);
epl_v1_asnd_channel = tvb_get_guint8(tvb, offset);
offset += 1;
/* get length of data */
proto_tree_add_item(epl_v1_tree, hf_epl_v1_asnd_size, tvb, offset, 2, ENC_LITTLE_ENDIAN);
len = tvb_get_letohs(tvb, offset);
offset += 2;
/* "Ident" or "Generic" channel? */
if(epl_v1_asnd_channel == EPL_V1_AINV_IDENT){ /* Ident channel*/
proto_tree_add_item(epl_v1_tree, hf_epl_v1_asnd_node_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(epl_v1_tree, hf_epl_v1_asnd_hardware_revision, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(epl_v1_tree, hf_epl_v1_asnd_firmware_version, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(epl_v1_tree, hf_epl_v1_asnd_device_variant, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(epl_v1_tree, hf_epl_v1_asnd_poll_in_size, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(epl_v1_tree, hf_epl_v1_asnd_poll_out_size, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
} else { /* "Generic" and all other channels */
proto_tree_add_item(epl_v1_tree, hf_epl_v1_asnd_data, tvb, offset, len, ENC_NA);
offset += len;
}
return offset;
}
/* Code to actually dissect the packets */
static int
dissect_epl_v1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
guint8 epl_v1_service, epl_v1_dest, epl_v1_src, epl_v1_ainv_ch, epl_v1_asnd_ch;
gint offset;
proto_item *ti=NULL;
proto_tree *epl_v1_tree=NULL;
if(tvb_captured_length(tvb) < 3){
/* Not enough data for an EPL_V1 header; don't try to interpret it */
return FALSE;
}
offset = 0;
/* make entries in Protocol column and Info column on summary display */
col_set_str(pinfo->cinfo, COL_PROTOCOL, "EPL_V1");
col_clear(pinfo->cinfo, COL_INFO);
/* get service type */
epl_v1_service = tvb_get_guint8(tvb, EPL_V1_SERVICE_OFFSET) & 0x7F;
/* get destination */
epl_v1_dest = tvb_get_guint8(tvb, EPL_V1_DEST_OFFSET);
/* get source */
epl_v1_src = tvb_get_guint8(tvb, EPL_V1_SRC_OFFSET);
/* choose the right string for "Info" column */
switch(epl_v1_service){
case EPL_V1_SOC:
col_add_fstr(pinfo->cinfo, COL_INFO, "SoC dest = %3d src = %3d ", epl_v1_dest, epl_v1_src);
break;
case EPL_V1_EOC:
col_add_fstr(pinfo->cinfo, COL_INFO, "EoC dest = %3d src = %3d ", epl_v1_dest, epl_v1_src);
break;
case EPL_V1_PREQ:
col_add_fstr(pinfo->cinfo, COL_INFO, "PReq dest = %3d src = %3d ", epl_v1_dest, epl_v1_src);
break;
case EPL_V1_PRES:
col_add_fstr(pinfo->cinfo, COL_INFO, "PRes dest = %3d src = %3d ", epl_v1_dest, epl_v1_src);
break;
case EPL_V1_AINV:
/* get AInv channel */
epl_v1_ainv_ch = tvb_get_guint8(tvb, EPL_V1_AINV_CHANNEL_OFFSET);
col_add_fstr(pinfo->cinfo, COL_INFO, "AInv dest = %3d src = %3d channel = %s ",
epl_v1_dest, epl_v1_src, val_to_str(epl_v1_ainv_ch, ainv_channel_number_vals, "unknown Channel (%d)"));
break;
case EPL_V1_ASND:
/* get ASnd channel */
epl_v1_asnd_ch = tvb_get_guint8(tvb, EPL_V1_ASND_CHANNEL_OFFSET);
col_add_fstr(pinfo->cinfo, COL_INFO, "ASnd dest = %3d src = %3d channel = %s ",
epl_v1_dest, epl_v1_src, val_to_str(epl_v1_asnd_ch, asnd_channel_number_vals, "unknown Channel (%d)"));
break;
default: /* no valid EPL packet */
return FALSE;
}
if(tree){
/* create display subtree for the protocol */
ti = proto_tree_add_item(tree, proto_epl_v1, tvb, 0, -1, ENC_NA);
epl_v1_tree = proto_item_add_subtree(ti, ett_epl_v1);
}
proto_tree_add_item(epl_v1_tree, hf_epl_v1_service, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(epl_v1_tree, hf_epl_v1_dest, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
proto_tree_add_item(epl_v1_tree, hf_epl_v1_src, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset += 1;
/* The rest of the epl_v1 dissector depends on the message type */
switch(epl_v1_service){
case EPL_V1_SOC:
offset = dissect_epl_v1_soc(epl_v1_tree, tvb, offset);
break;
case EPL_V1_EOC:
offset = dissect_epl_v1_eoc(epl_v1_tree, tvb, offset);
break;
case EPL_V1_PREQ:
offset = dissect_epl_v1_preq(epl_v1_tree, tvb, offset);
break;
case EPL_V1_PRES:
offset = dissect_epl_v1_pres(epl_v1_tree, tvb, offset);
break;
case EPL_V1_AINV:
offset = dissect_epl_v1_ainv(epl_v1_tree, tvb, offset);
break;
case EPL_V1_ASND:
offset = dissect_epl_v1_asnd(epl_v1_tree, tvb, offset);
break;
default: /* not a valid MessageType - can't dissect any further. */
return FALSE;
}
return offset;
}
void
proto_register_epl_v1(void)
{
static hf_register_info hf[] = {
/* Common data fields (same for all message types) */
{ &hf_epl_v1_service,
{ "Service", "epl_v1.service",
FT_UINT8, BASE_DEC, VALS(service_vals), 0x7F,
NULL, HFILL }
},
{ &hf_epl_v1_dest,
{ "Destination", "epl_v1.dest",
FT_UINT8, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_epl_v1_src,
{ "Source", "epl_v1.src",
FT_UINT8, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
/* SoC data fields*/
{ &hf_epl_v1_soc_ms,
{ "MS (Multiplexed Slot)", "epl_v1.soc.ms",
FT_UINT8, BASE_DEC, NULL, 0x80,
NULL, HFILL }
},
{ &hf_epl_v1_soc_ps,
{ "PS (Prescaled Slot)", "epl_v1.soc.ps",
FT_UINT8, BASE_DEC, NULL, 0x40,
NULL, HFILL }
},
{ &hf_epl_v1_soc_net_command,
{ "Net Command", "epl_v1.soc.netcommand",
FT_UINT16, BASE_DEC, VALS(soc_net_command_vals), 0x0,
NULL, HFILL }
},
{ &hf_epl_v1_soc_net_time,
{ "Net Time", "epl_v1.soc.nettime",
FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_epl_v1_soc_powerlink_cycle_time,
{ "Cycle Time", "epl_v1.soc.cycletime",
FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_epl_v1_soc_net_command_parameter,
{ "Net Command Parameter", "epl_v1.soc.netcommand.parameter",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
/* PReq data fields*/
{ &hf_epl_v1_preq_ms,
{ "MS (Multiplexed Slot)", "epl_v1.preq.ms",
FT_UINT8, BASE_DEC, NULL, 0x20,
NULL, HFILL }
},
{ &hf_epl_v1_preq_rd,
{ "RD (Ready)", "epl_v1.preq.rd",
FT_UINT8, BASE_DEC, NULL, 0x01,
NULL, HFILL }
},
{ &hf_epl_v1_preq_poll_size_out,
{ "Poll Size OUT", "epl_v1.preq.pollsize",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_epl_v1_preq_out_data,
{ "OUT Data", "epl_v1.preq.data",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }
},
/* PRes data fields*/
{ &hf_epl_v1_pres_ms,
{ "MS (Multiplexed)", "epl_v1.pres.ms",
FT_UINT8, BASE_DEC, NULL, 0x20,
NULL, HFILL }
},
{ &hf_epl_v1_pres_ex,
{ "EX (Exception)", "epl_v1.pres.ex",
FT_UINT8, BASE_DEC, NULL, 0x10,
NULL, HFILL }
},
{ &hf_epl_v1_pres_rs,
{ "RS (Request to Send)", "epl_v1.pres.rs",
FT_UINT8, BASE_DEC, NULL, 0x08,
NULL, HFILL }
},
{ &hf_epl_v1_pres_wa,
{ "WA (Warning)", "epl_v1.pres.wa",
FT_UINT8, BASE_DEC, NULL, 0x04,
NULL, HFILL }
},
{ &hf_epl_v1_pres_er,
{ "ER (Error)", "epl_v1.pres.er",
FT_UINT8, BASE_DEC, NULL, 0x02,
NULL, HFILL }
},
{ &hf_epl_v1_pres_rd,
{ "RD (Ready)", "epl_v1.pres.rd",
FT_UINT8, BASE_DEC, NULL, 0x01,
NULL, HFILL }
},
{ &hf_epl_v1_pres_poll_size_in,
{ "Poll Size IN", "epl_v1.pres.pollsize",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_epl_v1_pres_in_data,
{ "IN Data", "epl_v1.pres.data",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }
},
/* EoC data fields*/
{ &hf_epl_v1_eoc_net_command,
{ "Net Command", "epl_v1.eoc.netcommand",
FT_UINT16, BASE_DEC, VALS(eoc_net_command_vals), 0x00,
NULL, HFILL }
},
{ &hf_epl_v1_eoc_net_command_parameter,
{ "Net Command Parameter", "epl_v1.soa.netcommand.parameter",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }
},
/* AInv data fields*/
{ &hf_epl_v1_ainv_channel,
{ "Channel", "epl_v1.ainv.channel",
FT_UINT8, BASE_DEC, VALS(ainv_channel_number_vals), 0x00,
NULL, HFILL }
},
/* ASnd data fields*/
{ &hf_epl_v1_asnd_channel,
{ "Channel", "epl_v1.asnd.channel",
FT_UINT8, BASE_DEC, VALS(asnd_channel_number_vals), 0x00,
NULL, HFILL }
},
{ &hf_epl_v1_asnd_size,
{ "Size", "epl_v1.asnd.size",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_epl_v1_asnd_data,
{ "Data", "epl_v1.asnd.data",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }
},
{ &hf_epl_v1_asnd_node_id,
{ "NodeID", "epl_v1.asnd.node_id",
FT_UINT32, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_epl_v1_asnd_hardware_revision,
{ "Hardware Revision", "epl_v1.asnd.hardware.revision",
FT_UINT32, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_epl_v1_asnd_firmware_version,
{ "Firmware Version", "epl_v1.asnd.firmware.version",
FT_UINT32, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_epl_v1_asnd_device_variant,
{ "Device Variant", "epl_v1.asnd.device.variant",
FT_UINT32, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_epl_v1_asnd_poll_in_size,
{ "Poll IN Size", "epl_v1.asnd.poll.in.size",
FT_UINT32, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_epl_v1_asnd_poll_out_size,
{ "Poll OUT Size", "epl_v1.asnd.poll.out.size",
FT_UINT32, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
};
/* Setup protocol subtree array */
static gint *ett[] = {
&ett_epl_v1,
};
/* Register the protocol name and description */
proto_epl_v1 = proto_register_protocol("ETHERNET Powerlink V1.0", "EPL_V1", "epl_v1");
/* Required function calls to register the header fields and subtrees used */
proto_register_field_array(proto_epl_v1, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_epl_v1(void)
{
dissector_handle_t epl_v1_handle;
epl_v1_handle = create_dissector_handle(dissect_epl_v1, proto_epl_v1);
dissector_add_uint("ethertype", ETHERTYPE_EPL_V1, epl_v1_handle);
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
* :indentSize=8:tabSize=8:noTabs=false:
*/
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