AW: Bug: QCA9880 hw2.0: TX-Rate Display in Wireshark

Lindner, Frank Frank.Lindner at ghmt.de
Tue Feb 16 07:02:01 PST 2016


Hi Michal,

thanks for your instant response.
May I ask why this isn't implemented in a new firmware release?
Is there a short manual, what and where I need to edit the code and how to compile it? I'm not that familiar with coding on that level.
Thanks.

Best Regards,
Frank

-----Ursprüngliche Nachricht-----
Von: Michal Kazior [mailto:michal.kazior at tieto.com]
Gesendet: Dienstag, 16. Februar 2016 15:46
An: Lindner, Frank
Cc: ath10k at lists.infradead.org
Betreff: Re: Bug: QCA9880 hw2.0: TX-Rate Display in Wireshark

On 16 February 2016 at 15:33, Lindner, Frank <Frank.Lindner at ghmt.de> wrote:
> Hi there,
>
> I'm using QCA980 hw2.0 (Compex WLE900VX5) in monitor mode. Using Linux Kernel 4.3.3 and ath10k firmware 10.2.4.70.19-2.
> When capturing 2.4 GHz WIFI operating in 802.11g (1 to 54 Mbit/s), Wireshark displays only 1, 2, 5.5 or 11 Mbit/s as TX rate for the frames. When capturing in parallel with Airpcap on Windows or a Ralink-based card in monitor mode, frame TX rate is displayed correctly with 1 to 54 Mbit/s.
> I also tried older firmware versions. Same issue.
> Also when trying to capture with tcpdump, only up 11 Mbit/s is shown.
> Is this a known issue?
> Is there any fix for this?

https://wireless.wiki.kernel.org/en/users/drivers/ath10k#known_bugslimitations

If you don't mind dirtying your hands with some C code you can try using the following patch (it will not cleanly apply to upstream kernel but should be fairly straightforward to port):

  https://groups.google.com/a/chromium.org/forum/#!topic/chromium-os-checkins/YGYm6gNUnEE


Michał



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