Wireshark-dev: Re: [Wireshark-dev] RRC Messages does not decode correctely
From: Martin Andersson <[email protected]>
Date: Thu, 30 Aug 2007 22:33:13 +0200
I think it's OK with hex representation of "BIT STRING".

My reflection of the difference hex/bit representation was more a clarification
to the difference in output, between wireshark and the supplied output.

But maybe you can use the output to see how your updates to UPER is corresponding
to the output from an external tool.

rg/Martin



Anders Broman wrote:
Hi,
The problem is how to handle bitstrings of 17-65k bits length
I don't really fancy doing
for(i=0;i<min_len;i++){
	offset=dissect_per_boolean(tvb, offset, actx, tree, -1, &bit);
	bytes[0]=(bytes[0]<<1)|bit;
}
Etc for 65k long ones...

I don't know how usual really long bitstrings are perhaps we could only
display the value for the ones up to 32 bits?

Would a display like
...0 0000 (etc) 00.. Be better?
Regards
Anders
-----Ursprungligt meddelande-----
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Skickat: den 30 augusti 2007 19:48
Till: Developer support list for Wireshark
Ämne: Re: [Wireshark-dev] RRC Messages does not decode correctely

Anders Broman (AL/EAB) wrote:
Hi,
A quick fix to packet-per.c the displayed value will be wrong though.
Hej Anders

As referense how the value should be decoded (the bitstring are in hex in wireshark).
rg/Martin



value UL-DCCH-Message ::=
{
  message rrcConnectionSetupComplete :
    {
      rrc-TransactionIdentifier 0,
      startList
      {
        {
          cn-DomainIdentity cs-domain,
          start-Value '00000000 10101011 1100'B
        },
        {
          cn-DomainIdentity ps-domain,
          start-Value '00000000 11001011 1010'B
        }
      },
      ue-RadioAccessCapability
      {
        pdcp-Capability
        {
          losslessSRNS-RelocationSupport FALSE,
          supportForRfc2507 supported : dummy
        },
        rlc-Capability
        {
          totalRLC-AM-BufferSize kb1000,
          maximumRLC-WindowSize mws2047,
          maximumAM-EntityNumber am30
        },
        transportChannelCapability
        {
          dl-TransChCapability
          {
            maxNoBitsReceived b163840,
            maxConvCodeBitsReceived b163840,
            turboDecodingSupport supported : b163840,
            maxSimultaneousTransChs e32,
            maxSimultaneousCCTrCH-Count 8,
            maxReceivedTransportBlocks tb512,
            maxNumberOfTFC tfc1024,
            maxNumberOfTF tf1024
          },
          ul-TransChCapability
          {
            maxNoBitsTransmitted b163840,
            maxConvCodeBitsTransmitted b163840,
            turboEncodingSupport supported : b163840,
            maxSimultaneousTransChs e32,
            modeSpecificInfo fdd : NULL,
            maxTransmittedBlocks tb512,
            maxNumberOfTFC tfc1024,
            maxNumberOfTF tf1024
          }
        },
        rf-Capability
        {
          fddRF-Capability
          {
            ue-PowerClass 1,
            txRxFrequencySeparation default-TxRx-separation
          }
        },
        physicalChannelCapability
        {
          fddPhysChCapability
          {
            downlinkPhysChCapability
            {
              maxNoDPCH-PDSCH-Codes 1,
              maxNoPhysChBitsReceived b48000,
              supportForSF-512 TRUE,
              dummy TRUE,
              dummy2 supported :
                {
                  maxNoSCCPCH-RL rl1,
                  simultaneousSCCPCH-DPCH-DPDCH-Reception TRUE
                }
            },
            uplinkPhysChCapability
            {
              maxNoDPDCH-BitsTransmitted b9600,
              dummy TRUE
            }
          }
        },
        ue-MultiModeRAT-Capability
        {
          multiRAT-CapabilityList
          {
            supportOfGSM TRUE,
            supportOfMulticarrier TRUE
          },
          multiModeCapability fdd
        },
        securityCapability
        {
cipheringAlgorithmCap { spare15, spare14, spare13, spare12, spare11, spare10, spare9, spare8, spare7, spare6, spare5, spare4, spare3, spare2, uea1, uea0 }, integrityProtectionAlgorithmCap { spare15, spare14, spare13, spare12, spare11, spare10, spare9, spare8, spare7, spare6, spare5, spare4, spare3, spare2, uia1, spare0 }
        },
        ue-positioning-Capability
        {
          standaloneLocMethodsSupported TRUE,
          ue-BasedOTDOA-Supported TRUE,
          networkAssistedGPS-Supported networkBased,
          supportForUE-GPS-TimingOfCellFrames TRUE,
          supportForIPDL TRUE
        },
        measurementCapability
        {
          downlinkCompressedMode
          {
            fdd-Measurements TRUE,
            tdd-Measurements FALSE,
            gsm-Measurements
            {
              gsm900 TRUE,
              dcs1800 TRUE,
              gsm1900 TRUE
            },
            multiCarrierMeasurements TRUE
          },
          uplinkCompressedMode
          {
            fdd-Measurements TRUE,
            tdd-Measurements FALSE,
            gsm-Measurements
            {
              gsm900 TRUE,
              dcs1800 TRUE,
              gsm1900 TRUE
            },
            multiCarrierMeasurements TRUE
          }
        }
      },
      v370NonCriticalExtensions
      {
        rrcConnectionSetupComplete-v370ext
        {
        },
        v380NonCriticalExtensions
        {
          rrcConnectionSetupComplete-v380ext
          {
            dl-PhysChCapabilityFDD-v380ext
            {
            }
          },
          v3a0NonCriticalExtensions
          {
            rrcConnectionSetupComplete-v3a0ext
            {
            },
            laterNonCriticalExtensions
            {
              v3g0NonCriticalExtensions
              {
                rrcConnectionSetupComplete-v3g0ext
                {
                },
                v4b0NonCriticalExtensions
                {
                  rrcConnectionSetupComplete-v4b0ext
                  {
                  },
                  v590NonCriticalExtensions
                  {
                    rrcConnectionSetupComplete-v590ext
                    {
                      ue-RadioAccessCapability-v590ext
                      {
                        dl-CapabilityWithSimultaneousHS-DSCHConfig kbps384,
                        pdcp-Capability-r5-ext
                        {
                          supportForRfc3095ContextRelocation TRUE,
                          maxHcContextSpace by131072
                        },
                        rlc-Capability-r5-ext
                        {
                          totalRLC-AM-BufferSize kb750
                        },
                        physicalChannelCapability
                        {
                          fdd-hspdsch supported :
                            {
                              hsdsch-physical-layer-category 12,
                              dummy TRUE,
                              dummy2 FALSE
                            },
                          tdd384-hspdsch unsupported : NULL,
                          tdd128-hspdsch unsupported : NULL
                        },
                        multiModeRAT-Capability-v590ext
                        {
                          supportOfUTRAN-ToGERAN-NACC FALSE
                        }
                      },
                      ue-RATSpecificCapability-v590ext
                      {
                        geranIu-RadioAccessCapability '001'B
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
}

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