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Date:      Wed, 18 Jul 2012 16:43:12 -0700
From:      Adrian Chadd <adrian.chadd@gmail.com>
To:        Kim Culhan <w8hdkim@gmail.com>
Cc:        freebsd-wireless@freebsd.org
Subject:   Re: AR9227 hostap on FreeBSD 10-current
Message-ID:  <CAJ-Vmo=2ZAFUiu07DND0NwnuwjmfPFcxEaro%2Bhe-MKjih6H=rw@mail.gmail.com>
In-Reply-To: <CAKZxVQUZGx_MM%2Bc0PbSnLCn9=wHTRPTZbLREM_swqyF1sQ4-yg@mail.gmail.com>
References:  <CAKZxVQUKR1dcaQ%2BjK-%2BbF3hx8oehBkr5NEWWg4xRuuhSAPKHuA@mail.gmail.com> <CAJ-VmomCJb5v2juyUxbVk86ETY37K1iBdBAbHJ-njC9NxMS92g@mail.gmail.com> <CAKZxVQUZGx_MM%2Bc0PbSnLCn9=wHTRPTZbLREM_swqyF1sQ4-yg@mail.gmail.com>

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On 18 July 2012 16:32, Kim Culhan <w8hdkim@gmail.com> wrote:
> On Wed, Jul 18, 2012 at 6:54 PM, Adrian Chadd <adrian.chadd@gmail.com> wrote:
>> It says HT40, so it's 11n.
>>
>> Do 'ifconfig wlan0 list sta', see what speeds the stations are at.
>>
>> Do 'sysctl dev.ath.0.sample_stats=1' and check dmesg, see whether it's
>> TXing using MCS or legacy rates.
>
> ifconfig list sta returns:
>
> ADDR               AID CHAN RATE RSSI IDLE  TXSEQ  RXSEQ CAPS FLAG
> 90:f6:52:76:ec:98    3   11 135M 20.0    0    872  22944 EPS  AQEHTRS
> WME HTCAP ATH RSN
> f8:d1:11:39:4f:b4    1   11 243M 22.0    0    273  64208 EPS  AQEHTRS
> RSN WME HTCAP

Yup! 11n rates.

> The first sta is a TP-Link TL-WA701ND in client mode
>
> The second sta is the other AR9227 device which is a TP-Link TL-WN851ND V1
>
> sysctl dev.ath.0.sample_stats=1
>
> returns
>
> dev.ath.0.sample_stats: 0 -> 0

Then check 'dmesg'.

I'd really like to export the ath and net80211 rate control
information to userland in a sensible way, rather than constantly
checking dmesg for this.
Maybe I'll work on that tonight.



Adrian



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