Re: [Madwifi-users] monitor control frames

[<lo...@cl...>]

Hi everybody !

I'd suggest to leave monitor mode unchanged, and add something like
iwpriv ath0 ctrlmon 1
to allow these small frames to pass thru. Sounds simple and straightforward, yet
compatible with the general behavior of wireless extensions (the default
setting will keep on silencing control frames unless you enable the ctrlmon
flag). Should you agree, I'd be glad to implement and send a patch against some
branch...

Jean

Quoting Greg Chesson <ma...@at...>:

> Not everyone using monitor mode wants to see control frames.
> Sometimes I need to see them, and sometimes not.
> Perhaps this should be configurable?
> Comments anyone?
> 
> g
> 
> Gopalakrishnan Raman wrote:
> > Hi Sam
> > A few months back I noticed that control frames were being
> > dropped in ath_rx_tasklet()[driver/if_ath.c] because there
> > is a check to see if the frame is shorter than 24 bytes
> > and drop the frame if that is the case. Control frames (RTS,
> > CTS, ACK, PS_POLL) are smaller than 24 bytes. You then
> > added code to not do the size check in monitor mode.
> > 
> > Can you please add that back again ? I checked the latest CVS
> > tree and noticed that short packets are dropped even in monitor
> > mode.
> >  
> > Cheers
> > -gopal
> > On Thu, Feb 19, 2004 at 12:17:17PM +0000, D. G wrote:
> > 
> >>hi,
> >>
> >>i have the latest madwifi cvs
> >>and put ath0 into monitor mode
> >>
> >>
> >>>iwconfig ath0 mode monitor
> >>
> >>the trouble is, i can't see any
> >>control frames being monitored.
> >>
> >>
> >>is it possible to do so?
> >>
> >>
> >>
> >>any help appreciated,
> >>
> >>thanks,
> >>david.
> >>
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