From: Sujith Manoharan <sujith@msujith.org>
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Message-ID: <21204.2384.710460.402183@gargle.gargle.HOWL> (sfid-20140113_164721_570648_34636D9D)
Date: Mon, 13 Jan 2014 21:12:08 +0530
To: Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
Cc: linux-wireless@vger.kernel.org
Subject: Re: [PATCH 5/5] ath9k: Fix TX IQ calibration for SoC chips
In-Reply-To: <21204.1991.201080.986559@gargle.gargle.HOWL>
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	<21204.319.492595.58625@gargle.gargle.HOWL>
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Sender: linux-wireless-owner@vger.kernel.org

Sujith Manoharan wrote:
> Wojciech Dubowik wrote:
> > Exactly. I have a setup with 4 Ap's on 5180MHz but I have set 5180 and 
> > 5200 as scanning frequencies.
> > I am running attenuator profile to switch between them.  Here is my 
> > supplicant config.
> > 
> > ctrl_interface=/var/run/wpa_supplicant
> > eapol_version=1
> > fast_reauth=1
> > ap_scan=1
> > network={
> >      bgscan="simple:1:-65:10:1:2"
> >      scan_freq=5180 5200
> >      scan_ssid=1
> >      ssid="ATS11-1"
> >      key_mgmt=WPA-PSK
> >      proto=RSN
> >      pairwise=CCMP
> >      group=CCMP
> >      psk="12345678"
> > }
> 
> I am not able to see the issue.
> Log: http://pastebin.com/raw.php?i=0bTQcAx6
> 
> After association, I ran a scan for the frequencies 5180 and 5200
> and on returning to the home channel, the rssi was the same as before.
> 
> I used this patch:
> 
> diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
> index 5bf3243..c85be42 100644
> --- a/drivers/net/wireless/ath/ath9k/recv.c
> +++ b/drivers/net/wireless/ath/ath9k/recv.c
> @@ -1088,6 +1088,9 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc,
>  
>  	ath9k_process_rssi(common, hw, rx_stats, rx_status);
>  
> +	printk("NOISE/RSSI/SIGNAL for %pM: %d/%d/%d\n",
> +	       hdr->addr3, ah->noise, rx_stats->rs_rssi, rx_status->signal);
> +
>  	rx_status->band = ah->curchan->chan->band;
>  	rx_status->freq = ah->curchan->chan->center_freq;
>  	rx_status->antenna = rx_stats->rs_antenna;

I think something is wrong. From the log I posted:

Jan 14 02:31:51 linux-test kernel: ath: phy8: next DTIM -557162496
Jan 14 02:31:51 linux-test kernel: ath: phy8: next beacon -557162496

Sujith