52e7344c69
Change-Id: I4b0e8dbf94756d969b9c55f17895fa8ec2162364 Reviewed-on: https://code.wireshark.org/review/29040 Petri-Dish: Anders Broman <a.broman58@gmail.com> Tested-by: Petri Dish Buildbot Reviewed-by: Anders Broman <a.broman58@gmail.com>
73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/* packet-rohc.h
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* Routines for RObust Header Compression (ROHC) dissection.
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*
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* Copyright 2011, Anders Broman <anders.broman[at]ericsson.com>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*
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* Ref:
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* http://www.ietf.org/rfc/rfc3095.txt RObust Header Compression (ROHC): Framework and four profiles: RTP, UDP, ESP, and uncompressed
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* http://datatracker.ietf.org/doc/rfc4815/ RObust Header Compression (ROHC): Corrections and Clarifications to RFC 3095
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* http://datatracker.ietf.org/doc/rfc5225/ RObust Header Compression Version 2 (ROHCv2): Profiles for RTP, UDP, IP, ESP and UDP-Lite
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*/
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#ifndef PACKET_ROHC_H
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#define PACKET_ROHC_H
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#define MAX_CID 15
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/* ROHC Profiles */
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#define ROHC_PROFILE_UNCOMPRESSED 0
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#define ROHC_PROFILE_RTP 1
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#define ROHC_PROFILE_UDP 2
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#define ROHC_PROFILE_IP 4
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#define ROHC_PROFILE_UNKNOWN 0xFFFF
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enum rohc_mode
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{
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MODE_NOT_SET = 0,
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UNIDIRECTIONAL = 1,
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OPTIMISTIC_BIDIRECTIONAL = 2,
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RELIABLE_BIDIRECTIONAL = 3
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};
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enum rohc_d_mode
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{
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NO_CONTEXT = 1,
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STATIC_CONTEXT = 2,
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FULL_CONTEXT = 3
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};
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typedef struct rohc_info
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{
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gboolean rohc_compression;
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guint8 rohc_ip_version;
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gboolean cid_inclusion_info;
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gboolean large_cid_present;
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enum rohc_mode mode;
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gboolean rnd;
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gboolean udp_checksum_present;
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guint16 profile;
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proto_item *last_created_item;
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} rohc_info;
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typedef struct rohc_context
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{
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guint8 rohc_ip_version[MAX_CID+1];
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gboolean large_cid_present[MAX_CID+1];
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enum rohc_mode mode[MAX_CID+1];
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enum rohc_d_mode d_mode[MAX_CID+1];
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gboolean rnd[MAX_CID+1];
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gboolean udp_checkum_present[MAX_CID+1];
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guint16 profile[MAX_CID+1];
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gboolean rohc_context_init[MAX_CID+1];
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gint ir_frame_number[MAX_CID+1]; /* The frame number of the last IR packet seen */
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} rohc_context;
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#endif /* PACKET_ROHC_H */
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