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/* packet-enip.h
* Routines for EtherNet/IP (Industrial Protocol) dissection
* EtherNet/IP Home: www.odva.org
*
* Conversation data support for CIP
* Jan Bartels, Siempelkamp Maschinen- und Anlagenbau GmbH & Co. KG
* Copyright 2007
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef PACKET_ENIP_H
#define PACKET_ENIP_H
#include "packet-cip.h" // For structs used in this file.
/* Offsets of fields within the DLR Common Frame Header */
#define DLR_CFH_SUB_TYPE 0
#define DLR_CFH_PROTO_VERSION 1
/* Offsets (from beginning of the packet) of fields within the DLR Message
* Payload Fields
*/
#define DLR_MPF_FRAME_TYPE 2
#define DLR_MPF_SOURCE_PORT 3
#define DLR_MPF_SOURCE_IP 4
#define DLR_MPF_SEQUENCE_ID 8
/* Offset for Beacon frames */
#define DLR_BE_RING_STATE 12
#define DLR_BE_SUPERVISOR_PRECEDENCE 13
#define DLR_BE_BEACON_INTERVAL 14
#define DLR_BE_BEACON_TIMEOUT 18
#define DLR_BE_RESERVED 22
/* Offset for Neighbor_Check_Request frames */
#define DLR_NREQ_RESERVED 12
/* Offset for Neighbor_Check_Response frames */
#define DLR_NRES_SOURCE_PORT 12
#define DLR_NRES_RESERVED 13
/* Offset for Link_Status/Neighbor_Status frames */
#define DLR_LNS_SOURCE_PORT 12
#define DLR_LNS_RESERVED 13
/* Offset for Locate_Fault frames */
#define DLR_LF_RESERVED 12
/* Offset for Announce frames */
#define DLR_AN_RING_STATE 12
#define DLR_AN_RESERVED 13
/* Offset for Sign_On frames */
#define DLR_SO_NUM_NODES 12
#define DLR_SO_NODE_1_MAC 14
/* Offset for Advertise frames */
#define DLR_ADV_GATEWAY_STATE 12
#define DLR_ADV_GATEWAY_PRECEDENCE 13
#define DLR_ADV_ADVERTISE_INTERVAL 14
#define DLR_ADV_ADVERTISE_TIMEOUT 18
#define DLR_ADV_LEARNING_UPDATE_ENABLE 22
#define DLR_ADV_RESERVED 23
/* Offset for Advertise frames */
#define DLR_FLUSH_LEARNING_UPDATE_ENABLE 12
#define DLR_FLUSH_RESERVED 13
/* Offset for Advertise frames */
#define DLR_LEARN_RESERVED 12
/* DLR commands */
#define DLR_FT_BEACON 1
#define DLR_FT_NEIGHBOR_REQ 2
#define DLR_FT_NEIGHBOR_RES 3
#define DLR_FT_LINK_STAT 4
#define DLR_FT_LOCATE_FLT 5
#define DLR_FT_ANNOUNCE 6
#define DLR_FT_SIGN_ON 7
#define DLR_FT_ADVERTISE 8
#define DLR_FT_FLUSH_TABLES 9
#define DLR_FT_LEARNING_UPDATE 10
typedef struct {
guint32 req_num, rep_num;
nstime_t req_time;
cip_req_info_t* cip_info;
} enip_request_info_t;
// This represents the data direction for connected data.
enum enip_connid_type {ECIDT_UNKNOWN, ECIDT_O2T, ECIDT_T2O};
typedef struct cip_io_data_input {
cip_conn_info_t* conn_info;
enum enip_connid_type connid_type;
} cip_io_data_input;
/* proto_data types */
#define ENIP_REQUEST_INFO 0
#define ENIP_CONNECTION_INFO 1
void display_fwd_open_connection_path(cip_conn_info_t* conn_info, proto_tree* tree, tvbuff_t* tvb, packet_info* pinfo);
void enip_close_cip_connection(packet_info *pinfo, const cip_connection_triad_t* triad);
void enip_mark_connection_triad(packet_info *pinfo, const cip_connection_triad_t* triad);
cip_service_info_t* cip_get_service_enip(guint32 class_id, guint8 service_id);
extern int dissect_lldp_cip_tlv(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
extern const value_string lldp_cip_subtypes[];
extern attribute_info_t enip_attribute_vals[106];
#endif /* PACKET_ENIP_H */
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