[Babel-users] Fwd: Use Channel Switch Announcement (CSA) without DFS

[Dave Taht]

One of the things that has long bugged me has been the need for an an
adhoc wifi network to do some configuration beforehand. Being able to
scan for a babel enabled channel, responding to a DFS initiated
change, and optimizing routes over non-conflicting channels would be
nice. I didn't know, until just now, that there was a std way to
announce a channel change in the existing apis.


---------- Forwarded message ----------
From: Michal Kazior <michal.kazior at tieto.com>
Date: Thu, Jul 28, 2016 at 7:02 AM
Subject: Re: Use Channel Switch Announcement (CSA) without DFS
To: Gaurang Ramesh Naik <gaurang at vt.edu>
Cc: "ath10k at lists.infradead.org" <ath10k at lists.infradead.org>


On 28 July 2016 at 00:42, Gaurang Ramesh Naik <gaurang at vt.edu> wrote:
> Hi All,
>
> Is it possible to use CSA when the AP operates on channel that do not
> require DFS? Can I trigget CSA from the AP in some way?

You can ask hostapd via hostapd_cli to:

 chan_switch 5 5180

This will start CSA with CS count=5 to frequency 5180. If you type
chan_switch without argument I believe you should get help/usage on
the command.


Michał

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-- 
Dave Täht
Let's go make home routers and wifi faster! With better software!
http://blog.cerowrt.org