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/* packet-sctp.h
*
* Definition of SCTP specific structures used by tap listeners.
*
* Copyright 2004 Michael Tuexen <tuexen [AT] fh-muenster.de>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef __PACKET_SCTP_H__
#define __PACKET_SCTP_H__
#include "ws_symbol_export.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define MAXIMUM_NUMBER_OF_TVBS 2048
struct _sctp_info {
bool incomplete;
bool adler32_calculated;
bool adler32_correct;
bool crc32c_calculated;
bool crc32c_correct;
bool checksum_zero;
bool vtag_reflected;
uint16_t sport;
uint16_t dport;
address ip_src;
address ip_dst;
uint32_t verification_tag;
uint16_t assoc_index;
uint16_t direction;
uint32_t number_of_tvbs;
tvbuff_t *tvb[MAXIMUM_NUMBER_OF_TVBS];
};
typedef struct _sctp_fragment {
uint32_t frame_num;
uint32_t tsn;
uint32_t len;
uint32_t ppi;
unsigned char *data;
struct _sctp_fragment *next;
} sctp_fragment;
typedef struct _sctp_frag_be {
sctp_fragment* fragment;
struct _sctp_frag_be *next;
} sctp_frag_be;
typedef struct _sctp_complete_msg {
uint32_t begin;
uint32_t end;
sctp_fragment* reassembled_in;
uint32_t len;
unsigned char *data;
struct _sctp_complete_msg *next;
} sctp_complete_msg;
typedef struct _sctp_frag_msg {
sctp_frag_be* begins;
sctp_frag_be* ends;
sctp_fragment* fragments;
sctp_complete_msg* messages;
uint32_t ppi;
struct _sctp_frag_msg* next;
} sctp_frag_msg;
#define SCTP_DATA_CHUNK_ID 0
#define SCTP_INIT_CHUNK_ID 1
#define SCTP_INIT_ACK_CHUNK_ID 2
#define SCTP_SACK_CHUNK_ID 3
#define SCTP_HEARTBEAT_CHUNK_ID 4
#define SCTP_HEARTBEAT_ACK_CHUNK_ID 5
#define SCTP_ABORT_CHUNK_ID 6
#define SCTP_SHUTDOWN_CHUNK_ID 7
#define SCTP_SHUTDOWN_ACK_CHUNK_ID 8
#define SCTP_ERROR_CHUNK_ID 9
#define SCTP_COOKIE_ECHO_CHUNK_ID 10
#define SCTP_COOKIE_ACK_CHUNK_ID 11
#define SCTP_ECNE_CHUNK_ID 12
#define SCTP_CWR_CHUNK_ID 13
#define SCTP_SHUTDOWN_COMPLETE_CHUNK_ID 14
#define SCTP_AUTH_CHUNK_ID 15
#define SCTP_NR_SACK_CHUNK_ID 16
#define SCTP_I_DATA_CHUNK_ID 0x40
#define SCTP_ASCONF_ACK_CHUNK_ID 0x80
#define SCTP_PKTDROP_CHUNK_ID 0x81
#define SCTP_RE_CONFIG_CHUNK_ID 0x82
#define SCTP_PAD_CHUNK_ID 0x84
#define SCTP_FORWARD_TSN_CHUNK_ID 0xC0
#define SCTP_ASCONF_CHUNK_ID 0xC1
#define SCTP_I_FORWARD_TSN_CHUNK_ID 0xC2
#define SCTP_IETF_EXT 0xFF
#define IS_SCTP_CHUNK_TYPE(t) \
(((t) <= SCTP_NR_SACK_CHUNK_ID) || \
((t) == SCTP_I_DATA_CHUNK_ID) || \
((t) == SCTP_FORWARD_TSN_CHUNK_ID) || \
((t) == SCTP_ASCONF_CHUNK_ID) || \
((t) == SCTP_ASCONF_ACK_CHUNK_ID) || \
((t) == SCTP_PKTDROP_CHUNK_ID))
WS_DLL_PUBLIC const value_string chunk_type_values[];
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local Variables:
* c-basic-offset: 2
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=2 tabstop=8 expandtab:
* :indentSize=2:tabSize=8:noTabs=true:
*/
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