[Anders Broman <anders.broman@xxxxxxxxxxxx>]

Hi,

OK so it's actually the ASN1 sequence:

UE-EUTRA-Capability ::= SEQUENCE {

accessStratumRelease AccessStratumRelease,

ue-Category INTEGER (1..5),

pdcp-Parameters PDCP-Parameters,

phyLayerParameters PhyLayerParameters,

rf-Parameters RF-Parameters,

measParameters MeasParameters,

featureGroupIndicators BIT STRING (SIZE (32)) OPTIONAL,

:

And from the standard:

UE-EUTRA-Capability field descriptions

:

featureGroupIndicators

The definitions of the bits in the bit string are described in Annex B.

This means that asn2wrs will just interpret featuregropIndicators as an opaque bitstring and only pressent it as a value. If we

want to do further dissection of the BIT STRING we have to add code in the .cnf file like this:

#.FN_BODY UE-EUTRA-Capability/featureGroupIndicators VAL_PTR = &featureGroupIndicators_tvb

tvbuff_t *featureGroupIndicators_tvb=NULL;

%(DEFAULT_BODY)s

if(featureGroupIndicators_tvb){

  /* Add dissection of featureGroupIndicators here */

}

The featureGroupIndicators_tvb will now contain the featureGroupIndicators and we can add further dissecton buy normal proto_add_item() functions

referencing the featureGroupIndicators_tvb.

I've added the basic code in Committ revision 34032.

Regards

Anders

---

From: wireshark-dev-bounces@xxxxxxxxxxxxx [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] On Behalf Of ??
Sent: den 31 augusti 2010 10:35
To: wireshark-dev@xxxxxxxxxxxxx
Subject: Re: [Wireshark-dev] Wireshark-dev Digest, Vol 51, Issue 39

Hello,

Thanks for your reply quickly.

I mean that I want to known every bit of feature group indicators of packet-lte-rrc.c file, but the fuction called dissect_per_bit_string(),and dissecte the all bits of data feild not each of them.

For example,When the UE is queried for it’s capabilities, it responds with the following feature group indicator.

The ans.1 encode ueCapabilityRAT-container is set to

80:9f:f0:03:00:00:8f:06:88:40:00

Here is the non-asn encoded bytes sent by the controller to the mdmApp.

1e 0d 10 80    (the wireshark capture and display)

1e = 0001 1110

0d = 0000 1101

10 = 0001 0000

80 = 1000 0000

 

Index of indicator (bit number)	Definition (description of the supported functionality, if indicator set to one‘true’)	Notes
1 (leftmost bit) off	- Intra-subframe frequency hopping for PUSCH scheduled by UL grant - Extended cyclic prefix with Δf = 7.5kHz for DL resource block - DCI format 3a (TPC commands for PUCCH and PUSCH with single bit power adjustments) - Multi-user MIMO for PDSCH - Aperiodic CQI/PMI/RI reporting on PUSCH: Mode 2-0 �C UE selected subband CQI without PMI - Aperiodic CQI/PMI/RI reporting on PUSCH: Mode 2-2 �C UE selected subband CQI with multiple PMI
2 off	- Simultaneous CQI and ACK/NACK on PUCCH, i.e. PUCCH format 2a and 2b - Absolute TPC command for PUSCH - Resource allocation type 1 for PDSCH - Periodic CQI/PMI/RI reporting on PUCCH: Mode 2-0 �C UE selected subband CQI without PMI - Periodic CQI/PMI/RI reporting on PUCCH: Mode 2-1 �C UE selected subband CQI with single PMI
3 off	- Semi-persistent scheduling - TTI bundling - 5bit RLC UM SN - 7bit PDCP SN
4 on	- Short DRX cycle
5 on	- Long DRX cycle - DRX command MAC control element
6 on	- Piroritized bit rate
7 on	- RLC UM	- can only be set as ‘false’ if the UE does not support voice
8 off	- EUTRA RRC_CONNECTED to UTRA CELL_DCH PS handover	- can only be set to ‘true’ if the UE has set bit number 22 to ‘true’
9 off	- EUTRA RRC_CONNECTED to GERAN GSM_Dedicated handover	- related to SR-VCC - can only be set to ‘true’ if the UE has set bit number 23 to ‘true’
10 off	- EUTRA RRC_CONNECTED to GERAN (Packet_) Idle by Cell Change Order - EUTRA RRC_CONNECTED to GERAN (Packet_) Idle by Cell Change Order with NACC (Network Assisted Cell Change)
11 off	- EUTRA RRC_CONNECTED to 1xRTT CS Active handover	- can only be set to ‘true’ if the UE has sets bit number 24 to ‘true’
12 off	- EUTRA RRC_CONNECTED to HRPD Active handover	- can only be set to ‘true’ if the UE has set bit number 24 to ‘true’
13 on	- Inter-frequency handover	- can only be set to ‘true’ if the UE has set bit number 24 to ‘true’
14 on	- Measurement reporting event: Event A4 �C Neighbour > threshold - Measurement reporting event: Event A5 �C Serving < threshold1 & Neighbour > threshold2
15 off	- Measurement reporting event: Event B1 �C Neighbour > threshold
16 on	- Periodical measurement reporting for non-ANR related measurements
17 Off	- Periodical measurement reporting for SON / ANR - ANR related intra-frequency measurement reporting events
18 Off	- ANR related inter-frequency measurement reporting events
19 Off	- ANR related inter-RAT measurement reporting events
20 On	- RB combination: SRB1 and SRB2 for DCCH + 1x AM DRB + 1x UM DRB - RB combination: SRB1 and SRB2 for DCCH + 2x AM DRB + 1x UM DRB - RB combination: SRB1 and SRB2 for DCCH + 2x AM DRB + 2x UM DRB - RB combination: SRB1 and SRB2 for DCCH + 3x AM DRB + 1x UM DRB - RB combination: SRB1 and SRB2 for DCCH + 3x AM DRB + 2x UM DRB - RB combination: SRB1 and SRB2 for DCCH + 4x AM DRB + 1x UM DRB - RB combination: SRB1 and SRB2 for DCCH + 4x AM DRB + 2x UM DRB - RB combination: SRB1 and SRB2 for DCCH + 5x AM DRB + 3x UM DRB - RB combination: SRB1 and SRB2 for DCCH + 8x AM DRB	- RB combination: SRB1 and SRB2 for DCCH + 1x AM DRB + 1x UM DRB must be supported/tested if the UE supports voice
21 Off	- Predefined intra-subframe frequency hopping for PUSCH with N_sb > 1 - Predefined inter-subframe frequency hopping for PUSCH with N_sb > 1
22 Off	- UTRAN measurements and reporting in E-UTRA connected mode
23 Off	- GERAN measurements and reporting in E-UTRA connected mode
24 Off	- cdma2000 measurements and reporting in E-UTRA connected mode
25 On	- Inter-frequency measurements and reporting in E-UTRA connected mode
26 Off	Undefined
27 Off	Undefined
28 Off	Undefined
29 Off	Undefined
30 Off	Undefined
31 Off	Undefined
32 off	Undefined

--

Thanks & Best Regards

Olina Lee

 

At 2010-08-29 03:00:02，wireshark-dev-request@xxxxxxxxxxxxx wrote:

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>   3. Re: wireshark dissect (Anders Broman)
>
>
>----------------------------------------------------------------------
>
>Message: 1
>Date: Fri, 27 Aug 2010 17:32:58 -0700
>From: buildbot-no-reply@xxxxxxxxxxxxx
>Subject: [Wireshark-dev] buildbot failure in Wireshark 1.2 on
>	Windows-XP-x86
>To: wireshark-dev@xxxxxxxxxxxxx
>Message-ID: <20100828003258.935FB544B6@xxxxxxxxxxxxxxxxxxx>
>Content-Type: text/plain
>
>The Buildbot has detected a new failure of Windows-XP-x86 on Wireshark 1.2.
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>
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>
>------------------------------
>
>Message: 2
>Date: Sat, 28 Aug 2010 17:47:45 +0800 (CST)
>From: ?? <olinalee@xxxxxxx>
>Subject: [Wireshark-dev] wireshark dissect
>To: wireshark-dev@xxxxxxxxxxxxx
>Message-ID: <154df0c.ec99.12ab8187989.Coremail.olinalee@xxxxxxx>
>Content-Type: text/plain; charset="gbk"
>
>
>hello,
>I need to dissect every bit of feature group indicator of packet-. But the dissect_per_bit_string can't disset this feild. Can you tell me how to dissect this?
>
>
>--
>
>
>Thanks & Best Regards
>
> 
>
>Olina Lee
>
> 
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>Message: 3
>Date: Sat, 28 Aug 2010 15:04:27 +0200
>From: Anders Broman <a.broman@xxxxxxxxx>
>Subject: Re: [Wireshark-dev] wireshark dissect
>To: Developer support list for Wireshark <wireshark-dev@xxxxxxxxxxxxx>
>Message-ID: <4C79095B.4090405@xxxxxxxxx>
>Content-Type: text/plain; charset="x-gbk"
>
>  ???? skrev 2010-08-28 11:47:
>>
>> hello,
>> I need to dissect every bit of feature group indicator of packet-. But 
>> the dissect_per_bit_string can't disset this feild. Can you tell me 
>> how to dissect this?
>>
>You need to be a bit more verbose :-)
>Which protocol? what protocol entity(IE)? From the brief description 
>above I'm assuming that something in the protocol ASN1description is 
>defined as a PER bitstring then there is some verbal
>description or a reference on how this bitstring should be interpreted. 
>If that's the case you would have to add code in the .cnf file (assuming 
>this is a protocol dissector generated by asn2wrs)
>to extract the bitstring and to dissect it. Adding a feature request to 
>bugzilla describing the problem and with a example trace might get some 
>one to pick it up and implement it.
>Regards
>Anders
>> --
>>
>> Thanks & Best Regards
>>
>> * *
>>
>> */Olina Lee/*
>>
>>
>>
>> ------------------------------------------------------------------------
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