Lionel Gauthier
059a0a3fdc
This is done for better merging branch/LG_PRE_RELEASE_0.3 into trunk (same process is applied on this branch) git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7073 818b1a75-f10b-46b9-bf7c-635c3b92a50f
151 lines
4.8 KiB
C
Executable File
151 lines
4.8 KiB
C
Executable File
/* packet-rlc-lte.h
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*
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* Martin Mathieson
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* $Id$
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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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* rlcMode */
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#define RLC_TM_MODE 1
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#define RLC_UM_MODE 2
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#define RLC_AM_MODE 4
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#define RLC_PREDEF 8
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/* direction */
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#define DIRECTION_UPLINK 0
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#define DIRECTION_DOWNLINK 1
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/* priority ? */
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/* channelType */
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#define CHANNEL_TYPE_CCCH 1
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#define CHANNEL_TYPE_BCCH_BCH 2
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#define CHANNEL_TYPE_PCCH 3
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#define CHANNEL_TYPE_SRB 4
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#define CHANNEL_TYPE_DRB 5
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#define CHANNEL_TYPE_BCCH_DL_SCH 6
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/* UMSequenceNumberLength */
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#define UM_SN_LENGTH_5_BITS 5
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#define UM_SN_LENGTH_10_BITS 10
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/* Info attached to each LTE RLC frame */
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typedef struct rlc_lte_info {
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guint8 rlcMode;
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guint8 direction;
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guint8 priority;
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guint16 ueid;
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guint16 channelType;
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guint16 channelId;
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guint16 pduLength;
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guint8 UMSequenceNumberLength;
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} rlc_lte_info;
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typedef struct rlc_lte_tap_info {
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/* Info from context */
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guint8 rlcMode;
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guint8 direction;
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guint8 priority;
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guint16 ueid;
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guint16 channelType;
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guint16 channelId;
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guint16 pduLength;
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guint8 UMSequenceNumberLength;
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nstime_t time;
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guint8 loggedInMACFrame;
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guint16 sequenceNumber;
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guint8 isResegmented;
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guint8 isControlPDU;
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guint16 ACKNo;
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#define MAX_NACKs 128
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guint16 noOfNACKs;
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guint16 NACKs[MAX_NACKs];
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guint16 missingSNs;
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} rlc_lte_tap_info;
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/* Configure number of PDCP SN bits to use for DRB channels. */
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void set_rlc_lte_drb_pdcp_seqnum_length(guint16 ueid, guint8 drbid, guint8 userplane_seqnum_length);
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/*****************************************************************/
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/* UDP framing format */
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/* ----------------------- */
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/* Several people have asked about dissecting RLC by framing */
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/* PDUs over IP. A suggested format over UDP has been defined */
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/* and implemented by this dissector, using the definitions */
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/* below. A link to an example program showing you how to encode */
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/* these headers and send LTE RLC PDUs on a UDP socket is */
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/* provided at http://wiki.wireshark.org/RLC-LTE */
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/* */
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/* A heuristic dissecter (enabled by a preference) will */
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/* recognise a signature at the beginning of these frames. */
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/* Until someone is using this format, suggestions for changes */
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/* are welcome. */
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/*****************************************************************/
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/* Signature. Rather than try to define a port for this, or make the
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* port number a preference, frames will start with this string (with no
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* terminating NULL */
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#define RLC_LTE_START_STRING "rlc-lte"
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/* Fixed field. This is followed by the following 1 mandatory field:
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* - rlcMode (1 byte)
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* (where the allowed values are defined above */
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/* Conditional field. This field is mandatory in case of RLC Unacknowledged mode.
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* The format is to have the tag, followed by the value (there is no length field,
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* its implicit from the tag). The allowed values are defined above. */
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#define RLC_LTE_UM_SN_LENGTH_TAG 0x02
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/* 1 byte */
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/* Optional fields. Attaching this info to frames will allow you
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* to show you display/filter/plot/add-custom-columns on these fields, so should
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* be added if available.
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* The format is to have the tag, followed by the value (there is no length field,
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* its implicit from the tag) */
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#define RLC_LTE_DIRECTION_TAG 0x03
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/* 1 byte */
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#define RLC_LTE_PRIORITY_TAG 0x04
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/* 1 byte */
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#define RLC_LTE_UEID_TAG 0x05
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/* 2 bytes, network order */
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#define RLC_LTE_CHANNEL_TYPE_TAG 0x06
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/* 2 bytes, network order */
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#define RLC_LTE_CHANNEL_ID_TAG 0x07
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/* 2 bytes, network order */
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/* RLC PDU. Following this tag comes the actual RLC PDU (there is no length, the PDU
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* continues until the end of the frame) */
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#define RLC_LTE_PAYLOAD_TAG 0x01
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