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Date:      Wed, 1 Aug 2012 15:27:09 +0800
From:      "Wright, Brett" <Brett.Wright@cooperindustries.com>
To:        "Adrian Chadd" <adrian@freebsd.org>
Cc:        freebsd-wireless@freebsd.org
Subject:   RE: Atheros DFS radar detection
Message-ID:  <475A4E02EFF4724A9E58F55A56AC1316063D6752@APEVS1.ap.ci.root>
In-Reply-To: <CAJ-VmomRhPnw9uLZXGSd-nK1abLuupLRw24J=rS4SGFJXieiLw@mail.gmail.com>
References:  <475A4E02EFF4724A9E58F55A56AC1316063B3323@APEVS1.ap.ci.root><CAJ-VmomJOuu334UamvG7=t2oDyq-UNwdCzEUJ0ytT0REKfFxdA@mail.gmail.com><475A4E02EFF4724A9E58F55A56AC1316063B35EB@APEVS1.ap.ci.root><CAJ-Vmo=BXmO9pOPvqhcg_ZFWfgehb3xjrkokQAqAi2hBHS=jcg@mail.gmail.com> <CAJ-VmomRhPnw9uLZXGSd-nK1abLuupLRw24J=rS4SGFJXieiLw@mail.gmail.com>

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Hi Adrian,

> -----Original Message-----
> From: adrian.chadd@gmail.com [mailto:adrian.chadd@gmail.com] On Behalf
> Of Adrian Chadd
> Sent: Wednesday, 1 August 2012 4:28 PM
> To: Wright, Brett
> Cc: freebsd-wireless@freebsd.org
> Subject: Re: Atheros DFS radar detection
>=20
> Tell me what the value of register 0x9954 is.

All standard values that are setup and defined in if_ath_radar.h.
More specifically: value of register 0x9954 is 0x5731458C (which seems
to be "almost" the supposed default value of 0x5731458D). Not sure what
the LS bit is, or if that is the problem now it is turned off?

Also do you know what the difference is between "Radar RSSI/SNR
threshold" (bits 23..18) and "Pulse RSSI/SNR threshold" (bits 11..6)?
They sound so similar...

> Are you running the madwifi-dfs code on FreeBSD somehow? Or are you
> actually doing this with madwifi? It'd be cool if you could bring this
> up on FreeBSD, as I'm happy to work with the community if they're
> willing to take charge of porting over the madwifi-dfs pattern
> matching code and work on false detection avoidance.

Am actually doing it in madwifi currently. I agree, I'm happy to
contribute where I can to FreeBSD too - it's really frustrating working
in the open source community knowing that there is probably an easy
solution to your problems if only you had some crucial missing piece of
info.

Thanks
Brett



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