From: Simon Barber <simon-vp0mx6+5gkqFX2APIN6yfw@public.gmane.org>
To: Johannes Berg <johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
Cc: radiotap-S783fYmB3Ccdnm+yROfE0A@public.gmane.org
Subject: Re: [RFC] 0-length PPDU reporting
Date: Mon, 18 Jun 2018 09:05:36 -0700 [thread overview]
Message-ID: <00986C20-9443-40FC-9A7E-DE636A743951@superduper.net> (raw)
In-Reply-To: <1529332670.3490.50.camel-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
Some chipsets will also report particular types of noise as a special PPDU - used for radar detection - it might be nice to allow these as well.
Simon
> On Jun 18, 2018, at 7:37 AM, Johannes Berg <johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org> wrote:
>
> Hi,
>
> With HE in particular, but also previously, there are PPDUs that don't
> carry any MAC header, for example sounding frames.
>
> It seems useful to report these up, but they cause wireshark to display
> an error since it's expecting to be able to decode the remainder of the
> data after radiotap as an 802.11 frame.
>
> To fix that, and to be able to show the type of PPDU, I think we should
> add a new field, that contains just a 16-bit value (or 8? or even 32
> since we often need more alignment anyway?) indicating the type of 0-
> length PPDU.
>
> Does anyone happen to have a more comprehensive list of PPDUs that are
> like this?
>
> johannes
next prev parent reply other threads:[~2018-06-18 16:05 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-18 14:37 [RFC] 0-length PPDU reporting Johannes Berg
[not found] ` <1529332670.3490.50.camel-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
2018-06-18 16:05 ` Simon Barber [this message]
[not found] ` <00986C20-9443-40FC-9A7E-DE636A743951-vp0mx6+5gkqFX2APIN6yfw@public.gmane.org>
2018-06-18 19:20 ` Johannes Berg
[not found] ` <1529349637.3092.8.camel-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
2018-06-19 21:20 ` Guy Harris
[not found] ` <3028EC8F-6CFD-4F52-8349-D49B1F37AC22-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org>
2018-06-19 22:50 ` Guy Harris
[not found] ` <BC6DCA08-4049-4B7A-A7C0-9FC545173FE5-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org>
2018-06-29 10:49 ` Johannes Berg
2018-07-02 14:33 ` Johannes Berg
[not found] ` <1530542000.3117.4.camel-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
2018-07-03 12:13 ` Johannes Berg
2018-07-09 8:30 ` [RFA] 0-length PSDU reporting Johannes Berg
[not found] ` <1531125042.3298.5.camel-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
2018-08-09 1:53 ` Guy Harris
[not found] ` <AEBBAD8F-A779-4E0A-B40D-659D55DFE847-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org>
2018-08-13 10:35 ` Johannes Berg
[not found] ` <1534156537.3093.7.camel-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
2018-08-14 8:30 ` Johannes Berg
2018-09-04 12:10 ` [ADOPTION] " Johannes Berg
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