Re: [GNUnet-developers] [Battlemesh] wifibroadcast

[Daniel Golle]

Hi!

On Fri, Apr 21, 2017 at 04:54:39PM +0200, Benjamin Henrion wrote:
> Hi,
> 
> Just found this project, interesting ideas on using monitor mode:
> 
> https://befinitiv.wordpress.com/wifibroadcast-analog-like-transmission-of-live-video-data/
> 
> I think in the past I used adhoc inside monitor mode with aircrack-ng
> if I remember.

Promissing indeed, because this might draw some attention to the need
to provide the now missing TX rate control for injection.
Hence this wifibroadcast project uses patched firmware and/or drivers
to force transmission at a fixed bitrate -- it'd be much better if
injection mode had a proper way for the transmitter to drive
rate-control in software. Other projects (such as GNUnet...) would
also greatly benefit from that...
Having more wild groth (and even ugly things like firmware patches)
does provide a good argument for having support for RADIOTAP_MCS,
RADIOTAP_VHT, RADIOTAP_XChannel... in mac80211 also for TX injection.
Previously setting the legacy bitrate (up to 54MBit/s single-stream
with 20MHz channel width) was supported via the RADIOTAP_RATE header,
but even that was dropped a long time ago...


Cheers


Daniel

> 
> Best,
> 
> -- 
> Benjamin Henrion <bhenrion at ffii.org>
> FFII Brussels - +32-484-566109 - +32-2-3500762
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