Wireshark-bugs: [Wireshark-bugs] [Bug 13244] Errors in 802.11ad dissector

Date: Sat, 24 Dec 2016 15:51:28 +0000

Comment # 6 on bug 13244 from
(In reply to Alexis La Goutte from comment #5)
> Hi Hany
> 
> About
> > 2. BRP Frame (Table 8-281ag):
> > This frame is an Action No Ack Frame. It compromises the following
> > information fields:
> > A. BRP Request Field.
> > B. DMG Beam Refinement Element.
> > C. OptionalChannel Measurement Feedback element.
> > 
> > In the trace, you can see that the DMG Beam Refinement Element is not
> > decoded correctly.
> For me, there is a problem in your pcap
> if you look the hexa value :
> 99 00 05 00 00 00 00
> 
> 99 is the BEAM Refinedement IE (153 in dec)
> 00 is the length (and will to be 05)
> 05 00 00 00 00 is the payload
> 
> There is 2 bytes inversed 
> 
> I will push also some enhance on BRP Requext and DMG Beam dissection

Hi Alexis,

You are right there is a problem in the PCAP. DMG Beam Refinement Element
length is 5 bytes. In the following BRP Frame, you can see that the length is 4
bytes instead of 5 which is wrong. 

I will try to report the issue to Qualcomm.


You are receiving this mail because:
  • You are watching all bug changes.