On Friday, April 21, 2017 6:45:17 PM CEST Daniel Golle wrote: > 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...
Huh? I believe both RADIOTAP_MCS and RADIOTAP_RATE are supported fine, at least for ath9k. Not sure about other drivers, but I'm using it extensively on ath9k. http://lxr.free-electrons.com/source/net/mac80211/tx.c#L1925 Cheers, Simon
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