[Click] How to write to /proc in a click element

[Harald Schiöberg]

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Javier Sánchez wrote:
> ok change the channel at ieee80211_hardstart() when the TX queues
> initialize no problem.
> 
> But u can change the channel per packet basis? i think this is not
> possible, to change the channel the drivers needs to reset the chip
> and restart the tx queues. It is not like change the rate , or the
> retries..  which can be made per packet basis.
> 
> But certainly i not tried or worked at it, may be i am wrong.

This  is the least of your problems, since tuning the analogue frontend
of a wireless card can take looooong time, I would expect it somewhere
in the order of  of several milliseconds

certainly something you don't want to do on a per-packet-basis....

but since the original question was: how to do that on reception of a
dedicated control-packet: that can make perfect sense (given that these
control packets don't happen too often...)



- --
Harald Schiöberg
Technische Universität Berlin | T-Laboratories | FG INET
www: http://www.net.t-labs.tu-berlin.de
Phone: +49-(0)30-8353-58476 | Fax: +49-(0)391 534 783 47
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