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/* packet-osi.h
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef _PACKET_OSI_H
#define _PACKET_OSI_H
#include <epan/osi-utils.h>
#define PDU_TYPE_ESIS_ESH 100
#define PDU_TYPE_ESIS_ISH 101
#define PDU_TYPE_ESIS_RD 102
#define PDU_TYPE_ISIS_L1_HELLO 201
#define PDU_TYPE_ISIS_L2_HELLO 202
#define PDU_TYPE_ISIS_PTP_HELLO 203
#define PDU_TYPE_ISIS_L1_CSNP 204
#define PDU_TYPE_ISIS_L1_PSNP 205
#define PDU_TYPE_ISIS_L2_CSNP 206
#define PDU_TYPE_ISIS_L2_PSNP 207
#define PROTO_STRING_ISIS "ISO 10589 ISIS InTRA Domain Routeing Information Exchange Protocol"
#define PROTO_STRING_IDRP "ISO 10747 IDRP InTER Domain Routeing Information Exchange Protocol"
#define PROTO_STRING_ESIS "ISO 9542 ESIS Routeing Information Exchange Protocol"
#define PROTO_STRING_CLNP "ISO 8473/X.233 CLNP ConnectionLess Network Protocol"
#define PROTO_STRING_COTP "ISO 8073/X.224 COTP Connection-Oriented Transport Protocol"
#define PROTO_STRING_CLTP "ISO 8602/X.234 CLTP ConnectionLess Transport Protocol"
#define PROTO_STRING_LSP "ISO 10589 ISIS Link State Protocol Data Unit"
#define PROTO_STRING_CSNP "ISO 10589 ISIS Complete Sequence Numbers Protocol Data Unit"
#define PROTO_STRING_PSNP "ISO 10589 ISIS Partial Sequence Numbers Protocol Data Unit"
#define OSI_PDU_TYPE_MASK 0x1f
#define BIS_PDU_TYPE MASK 0xff
/*
* published API functions
*/
/* Exposed to be used by packet-osi-options.c */
extern int proto_osi;
extern bool osi_calc_checksum( tvbuff_t *tvb, int offset, unsigned len, uint32_t* c0, uint32_t* c1);
extern bool osi_check_and_get_checksum( tvbuff_t *tvb, int offset, unsigned len, int offset_check, uint16_t* result);
extern uint32_t check_atn_ec_32(tvbuff_t *tvb, unsigned tpdu_len, unsigned offset_ec_32_val, unsigned offset_iso8073_val, unsigned clnp_dst_len, const uint8_t *clnp_dst, unsigned clnp_src_len, const uint8_t *clnp_src);
extern uint16_t check_atn_ec_16(tvbuff_t *tvb, unsigned tpdu_len, unsigned offset_ec_16_val, unsigned offset_iso8073_val, unsigned clnp_dst_len, const uint8_t *clnp_dst, unsigned clnp_src_len, const uint8_t *clnp_src);
#endif /* _PACKET_OSI_H */
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